# Question: a negative correlation between a hockey player’s age and

Question: A disclaiming correspondence betwixt a hockey player's age and the reckon of minutes he spends in the forfeiture box indicates that:

the older a player is, the near interim he spends in the forfeiture box.

spending further interim on the ice leads hockey players to befit serviceable at forsakeing the referees.

an older player's senior experiment has taught him how to forsake making penalties.

older players create fewer penalties accordingly they bear inaudible experimentosterone rolls.

Flag this Question Question 22 pts Gretchen, an adult, charms an rumor experiment and it shows she has partially balance middle rumor. Four years forthcoming, she has the hazard to charm the corresponding experiment frequently. This interim it reports that she is a endowment. While she wants to prize the works, she wonders if the incoherence of works balance interim propertyiveness balance the experiment:

is sick corcognate after a while rumor.

has low experiment–reexperiment reliability.

has haughty split-half reliability.

has a haughty coefficient alpha.

Flag this Question Question 32 pts Researchers who con-over the arrangement of balbutiation in progeny bear discovered that amend decipherers create allayer eye propelments despite the page (i.e., there is a explicit correspondence betwixt balbutiation expertness and the courtesy of the eye propelments). Which of the forthcoming assertions is a potential source of the correspondence betwixt allay eye propelments and balbutiation force?

Having cheerful balbutiation expertnesss allows a child to create allay eye propelments.

All of these options are potential sources of the correspondence.

The force to create allay eye propelments improves balbutiation force.

Some third element propertyiveness source twain allay eye propelments and improved balbutiation force.

Flag this Question Question 42 pts What is the correspondence betwixt a idiosyncratic's importance as appraised in grams and a idiosyncratic's importance as appraised in pounds?

+1.00

–1.00

0.00

It is impotential to indicate from the notice supposing.

Flag this Question Question 52 pts The type of potential causal descriptions for a correspondence is designated the:

A-B-C type.

cause-and-property type.

causal description type.

1-2-3 type.

Flag this Question Question 62 pts “The impact of dip incomplete propaganda tyros is disclaimingly corcognate after a while the reckon of graphic days each year in the locale where they mind propaganda.” This assertion balances that:

if a inglorious tyro were to propel to a locale after a while further graphic days, her dip would brook.

a tyro minding propaganda in a locale after a while very few graphic days allure befit inglorious.

the hazards of a propaganda tyro nature inglorious conduce to extension as the reckon of graphic days extensions.

the hazards of a propaganda tyro nature inglorious conduce to be haughtyer after a while fewer graphic days.

Flag this Question Question 72 pts A explicit correspondence betwixt culmination bulk and sole bulk indicates that:

having vast feet sources a idiosyncratic to bear a vast culmination.

having a vast culmination sources a idiosyncratic to bear vast feet.

mob after a while vastr feet conduce to bear trivialer culminations.

mob after a while vastr feet too conduce to bear vastr culminations.

Flag this Question Question 82 pts A full direct connection allure relinquish a Pearson's r compute of:

1.00 or –1.00.

0.

1.00.

–1.00.

Flag this Question Question 92 pts The best and most widely used appraise of reliforce is:

the split-half correspondence, in which the odd and uniform reckoned items of a appraise are corcognate to assess interior amalgamation.

criterion-cognate reliability.

coefficient alpha, the middle of all potential split-half correspondences.

the experiment-reexperiment reliability.

Flag this Question Question 102 pts Test-reexperiment reliforce is indicated by:

correlating the odd reckoned items of a appraise after a while an individual's operation on the uniform reckoned items of that corresponding appraise.

correlating the odd reckoned items of a appraise after a while an individual's operation on the uniform reckoned items of a irrelative appraise.

administering the corresponding appraise to two irrelative illustrations at two irrelative points in interim and circumspect the correspondence betwixt an individual's operation at the two irrelative interims

administering the corresponding appraise to the corresponding illustration at two irrelative points in interim and circumspect the correspondence betwixt an individual's operation on the two administrations.

Flag this Question Question 112 pts The type of the correspondence communicates:

the tendency of the conjunction.

the tendency and force of the correspondence.

the tendency of the causal connection.

the force of the correspondence.

Flag this Question Question 122 pts Psychometricians are uneasy after a while:

studying disorder and the onslaught of subjective disorder.

developing haughty peculiarity experiments and appraises.

statistics and computers.

fixing subjective issues in mob.

Flag this Question Question 132 pts One impudence for using conjecture experimenting for Pearson correspondence is that one shifting should diversify resembling at each roll of the other shifting. What is the easiest way to indicate whether this impudence has been met?

If the care of r is haughty, then the impudence has been met.

Calculate the cross-products of the deflexion beaks. If the work is explicit, then the impudence has been met.

Conduct a post-hoc experiment forthcoming the care of r.

Draw a scatterplot to see whether the stroll of computes is correspondent despite all computes of the other shifting.

Flag this Question Question 142 pts Which of the forthcoming reckons would embody a full correspondence?

–1.00

1.00

–1.00 or 1.00

0

Flag this Question Question 152 pts What skin of correspondence would you rely-on to invent betwixt the tyranny of snowstorms and scolds of mindance at propaganda rankes?

positive

full disclaiming

negative

zero

Flag this Question Question 162 pts The denominator of the Pearson correspondence equation set-rights for ________ and ________ issues bestow in the numerator.

disclaiming computes; nondirect grounds

illustration bulk; nonnormality

disclaiming computes; variability

illustration bulk; variability

Flag this Question Question 172 pts In a reanatomy of published studies, Twenge and Im (2007) radicle that for the interim epoch 1958–2001, the scarcity for political encomium of mob in the United States was disclaimingly corcognate after a while the U.S. raving offense scold during the corresponding epoch (the correspondence coefficient was –0.31). This correspondence balances that:

as the scarcity for political encomium went up, the reckon of raving offenses too extensiond.

the scarcity for political encomium prevented mob from intrustting raving offenses.

the scarcity for political encomium spurred mob to intrust raving offenses.

as the scarcity for political encomium went up, the reckon of raving offenses decreased.

Flag this Question Question 182 pts Imagine that you've righteous decipher the works of a con-over that invents a explicit correspondence betwixt gum eating and career rely-onancy. Which of the forthcoming assertions would be a statistically embezzle solution to the works of the con-over?

You grieve the possibility of buttress so covet that you allure bear to eat lots of gum.

You befit inquisitive environing what third shiftings propertyiveness source twain extensions in gum eating and extensions in career rely-onancy.

You dissipation a careerinterim afford of gum accordingly eating gum is cheerful for your soundness.

You aspositive all your friends and nobility members to eat gum accordingly it is cheerful for their soundness.

Flag this Question Question 192 pts If all the points on a scatterplot lapse on a separate direction:

there is a explicit correspondence betwixt the two shiftings.

the huskred betwixt the shiftings is full.

there is no huskred betwixt the shiftings.

the shiftings are causally cognate.

Flag this Question Question 202 pts What skin of correspondence would you rely-on to invent betwixt rolls of nobility pay and intimate spending on consumer cheerfuls?

zero

full explicit

positive

negative

Flag this Question Question 212 pts The numerator (top half) of the Pearson correspondence coefficient formula includes:

the variety betwixt the two illustration balances.

the sum of the work of the deflexions for each shifting.

.

the balance radicle of the work of the two sums of balances.

Flag this Question Question 222 pts Suppose a researcher discovers that protraction of interim elapsed forthcoming a Mediterranean viands is disclaimingly corcognate after a while occasion of developing cancer. Which of the assertions logically follows from this notice?

Eating a Mediterranean viands reduces the occasion of developing cancer.

People who ate a Mediterranean viands for further interim were further slight to bear cancer.

Eating a Mediterranean viands extensions the occasion of developing cancer.

People who ate a Mediterranean viands for further interim were near slight to bear cancer.

Flag this Question Question 232 pts Figure: Student-Faculty Ratio

Reference: Figure 1

(Figure: Student–Faculty Ratio) The huskred depicted in the scatterplot is hypothetically sophistical accordingly of:

poor power.

poor reliability.

the delayness of outliers.

restriction of stroll.

Flag this Question Question 242 pts Assume that the correspondence coefficient betwixt rank mindance and reckon of totals misconceiveed on an exam is (–0.77). Which assertion respecting this inventing is set-right?

There is definitely no causal connection betwixt the two shiftings.

The correspondence provides explicit notice pertaining to causation.

If you mind rank frequently, you are further slight to do well-mannered-mannered on the exam than someone who does not mind rank frequently.

If you rouse minding rank further frequently, the reckon of totals you misconceive on the bestow exam is positive to be inaudible.

Flag this Question Question 252 pts The Pearson correspondence coefficient is symbolized:

x

r

c

t

Flag this Question Question 262 pts The ________ quantifies the connection betwixt two shiftings.

magnitude of the correspondence

type of the correspondence

correspondence coefficient

correlation

Flag this Question Question 272 pts A ________ is a graphical embodyation of the huskred betwixt two shiftings.

polygon

correspondence coefficient

scatterplot

histogram

Flag this Question Question 282 pts The easy abatement in declineacy is a appraise of the:

correspondence betwixt two shiftings.

variforce of the relying appraise.

totality of discord in the relying shifting deciphered by the inrelying shifting.

appear of a retreat direction.

Flag this Question Question 292 pts After a while retreat we are uneasy environing variforce encircling the ________, rather than variforce encircling the ________ which would be the condition in t experiments or ANOVAs.

direction of best fit; balance

median; tails of the distribution

mean; outliers

outliers; direction of best fit

Flag this Question Question 302 pts To indicate the appear of the direction of best fit using the z-beak retreat notice, we parallel the computes of:

X at naught versus X at 1.0.

X at naught versus Y at naught.

Y at naught versus X at naught.

Y at naught versus Y at 1.0.

Flag this Question Question 312 pts The retreat direction is too designated the:

prediction prize.

fallacy of prize.

direction of best fit.

direction of accessible proviso.

Flag this Question Question 322 pts If we bear notice environing the appear of the direction of best fit that corresponds to two sets of grounds environing rank grades for irrelative instructors, we cannot create comparisons fixed on these appears accordingly:

they are fixed on irrelative populations.

slopes cannot be paralleld balanceingfully.

they are not on a vile flake.

the appears bear to divide the corresponding type.

Flag this Question Question 332 pts Every year it seems as though ultimate time's baseball rookie of the year fails to speed up to rely-onations for his sophofurther time. What propertyiveness decipher this interest?

retreat to the balance

experience declineacy of the estimation

overestimation of property bulk

easy abatement in declineacy

Flag this Question Question 342 pts Multiple retreat prophesys beaks on a separate ________ from beaks on further than one ________.

relying shifting; inrelying shifting

flake shifting; formal shifting

inrelying shifting; prophesyor shifting

predictor; relying shifting

Flag this Question Question 352 pts As the experience declineacy of prize befits vastr, prophesyions befit:

near considerate.

further considerate.

smaller.

larger.

Flag this Question Question 362 pts Easy abatement in declineacy is sometimes designated:

coefficient phi.

correspondence coefficient.

alpha coefficient.

the coefficient of determination.

Flag this Question Question 372 pts A researcher calculates a experienceized retreat coefficient on grounds from 52 uniformts and computes β as 0.274. Assuming a two-tailed conjecture experiment of the huskred betwixt these two shiftings is nature conducted after a while an alpha of 0.05, what are the ticklish cutoffs?

–0.288 and 0.288

–0.273 and 0.273

–0.361 and 0.361

–0.250 and 0.250

Flag this Question Question 382 pts The appraise of property bulk used after a while retreat is:

R2, righteous love after a while ANOVA.

the easy abatement in declineacy, r2.

the alpha coefficient.

experience declineacy of correspondence.

Flag this Question Question 392 pts Which of the forthcoming statistics quantifies the advancement in force to prophesy a idiosyncratic's beak when using the retreat direction rather than the balance?

experience deflexion

easy abatement in declineacy

experience declineacy of the estimation

slope

Flag this Question Question 402 pts The experienceized retreat coefficient is not correspondent to the correspondence coefficient when:

twain shiftings are appraised on an interim flake.

there is senior variforce in the X shiftings paralleld to the Y shifting.

the equation includes further than one inrelying shifting.

a disclaiming connection is bestow.

Flag this Question Question 412 pts In a con-over purposed to prophesy class cholesterol rolls from totality of daily saturated fat in grams (X1) and reckon of hours of daily practice (X2), we indicate that the appear of X1 is 5, the appear of X2 is –4, and the y stop is 130. Which of the forthcoming formulas is the retreat equation for these grounds?

Ŷ = 130 + 5(X1) – 4(X2)

Ŷ = 130 + 5(X1) + 4(X2)

Ŷ = 130 + 1(X)

Ŷ = 130 – 5(X1) – 4(X2)

Flag this Question Question 422 pts The experienceized retreat coefficient expresses the:

likelihood of rejecting the inoperative conjecture after a while a retreat anatomy.

kindred betwixt the inrelying and relying shifting in provisions of balanced units.

force of the correspondence betwixt the two shiftings that are now incorporated into a retreat anatomy.

predicted diversify in the relying shifting in provisions of experience deflexion units as a work of a 1 experience deflexion extension in the inrelying shifting.

Flag this Question Question 432 pts The experienceized retreat coefficient is repeatedly designated a:

normalized retreat.

beta importance.

weighted prize.

prize of best fit.

Flag this Question Question 442 pts The retreat direction is the direction that:

minimizes the correspondence coefficient.

is the balance of the relying shifting.

minimizes declineacy in prophesying beaks on the inrelying shifting.

minimizes declineacy in prophesying beaks on the relying shifting.

Flag this Question Question 452 pts The experienceized retreat coefficient expresses a prophesyed diversify in the relying shifting in provisions of:

fallacy units.

slope.

a 1-unit diversify in the inrelying shifting.

experience deflexions units.

Flag this Question Question 462 pts We can explore a graph to get a signification of how excellently declineacy there is in a retreat equation. Which of the forthcoming describes a graph that reveals there allure be a haughty totality of declineacy when using our retreat equation?

Data points throng very delay to the direction after a while various outlier oppositions.

The grounds points pleasantly throng far afar from the direction of best fit.

Data points throng delay encircling the direction of best fit.

Data points lapse straightway on the direction.

Flag this Question Question 472 pts In the equation Ŷ = 98 + 4.30(X1) + 7.20(X2), what is the appear?

98

4.30

Both 4.30 and 7.20 are appears.

7.20

Flag this Question Question 482 pts In the equation for a retreat direction, the stop is the:

predicted compute for Y when X is correspondent to 0.

compute for X when Y is correspondent to 0.

z beak of the totality that Y is prophesyed to extension as X extensions.

totality that Y is prophesyed to extension for a one-unit extension in X.

Flag this Question Question 492 pts In a con-over purposed to prophesy class cholesterol rolls from totality of daily saturated fat in grams (X1) and reckon of hours of daily practice (X2), we indicate that the appear of X1 is 5, the appear of X2 is –4, and the y stop is 130. If someone reports that she typically eats 10 grams of saturated fat daily and practices 1 hour daily, what would you prophesy for the idiosyncratic's cholesterol roll?

184

180

176

150

Flag this Question Question 502 pts A trivial experience declineacy of the prize balances that:

your two shiftings are sick correlated.

confounding shiftings may be bestow.

variforce is haughty in your Y shifting.

you are making prophesyions after a while excellent correctness.

Flag this Question Question 512 pts The board includes notice for creating a retreat equation to prophesy tyros' situation inland statistics from their situations inland Britney Spears and beer.

Table: Coefficients(a)

Model Unstandardized Coefficients Standardized Coefficients t Sig.

B Std. Error Beta

1 (Constant) 4.974 0.590 8.432 0.000

attbritneyspears 0.264 0.155 0.256 1.701 0.097

attbeer -0.309 0.122 -0.381 -2.536 0.015

a Relying shifting: attstatistics Reference: Board 1

(Table: Coefficients) What is the y stop for this total?

0.590

0.000

4.974

8.432

Flag this Question Question 522 pts The board includes notice for creating a retreat equation to prophesy tyros' situation inland statistics from their situations inland Britney Spears and beer.

Table: Coefficients(a)

Model Unstandardized Coefficients Standardized Coefficients t Sig.

B Std. Error Beta

1 (Constant) 4.974 0.590 8.432 0.000

attbritneyspears 0.264 0.155 0.256 1.701 0.097

attbeer -0.309 0.122 -0.381 -2.536 0.015

a Relying shifting: attstatistics Reference: Board 1

(Table: Coefficients) Was either shifting a typeificant prophesyor for situation inland statistics?

Attitude inland Britney Spears was a typeificant prophesyor but situation inland beer was not.

No; neither was a typeigicant prophesyor.

Yes; twain were typeificant prophesyors.

Attitude inland beer was a typeificant prophesyor but situation inland Britney Spears was not.

Flag this Question Question 532 pts If two shiftings, recalcitrantly, can aid us prophesy the end of a third shifting, we say that they are:

orthogonal.

autonomous.

standardized.

proportionate.