Some multiple choice questions in statistics


Question 1

  1.  

What trutination would you neglect to use to trutination a nondirectional investigation theory?

  1. Answer

[removed]

A.

One-tailed trutination

[removed]

B.

Two-tailed trutination

[removed]

C.

Non-parametric trutination

[removed]

D.

Frequency trutination

0.5 points  

Question 2

  1.  

Approximately what percent of scores earn decline among one trutination deviation of the mean beneath the recognized incurvation?

Answer

[removed]

A.

14

[removed]

B.

34

[removed]

C.

68

[removed]

D.

95

0.5 points  

Question 3

  1.  

The appraise of endanger you are earning to seize that you earn discard the ineffectual theory when it is actually penny is denominated ____________.

Answer

[removed]

A.

Statistical significance

[removed]

B.

Type II error

[removed]

C.

Type III error

[removed]

D.

Power

0.5 points  

Question 4

  1.  

If you posit a conformity betwixt two variables as substance settled (or privative), what emblem of trutination should you use?

Answer

[removed]

A.

Two-tailed

[removed]

B.

ANOVA

[removed]

C.

One-tailed

[removed]

D.

Cohen's d

0.5 points  

Question 5

  1.  

What does your investigation inquiry succor to manage?

Answer

[removed]

A.

Relationships

[removed]

B.

Hypothesis

[removed]

C.

Sampling error

[removed]

D.

Average score

0.5 points  

Question 6

  1.  

If the obtained rate is hither than the nice rate, what should you do?

Answer

[removed]

A.

Reject the ineffectual theory

[removed]

B.

Accept the ineffectual theory

[removed]

C.

Set a remarkable p value

[removed]

D.

Increase your exemplification

0.5 points  

Question 7

  1.  

What is the expression associated after a while how tame or sharp a classification appears?

  1. Answer

[removed]

A.

Ogive

[removed]

B.

Skewness

[removed]

C.

Kurtosis

[removed]

D.

Variability

0.5 points  

Question 8

  1.  

When describing a set of formal axioms, a investigationer should use which of the aftercited appraises of convenient scope?

Answer

[removed]

A.

Mode

[removed]

B.

Median

[removed]

C.

Standard deviation

[removed]

D.

Mean

0.5 points  

Question 9

  1.  

When the exemplification precisely represents the population, the results of the consider are said to keep a tall appraise of _____________.

Answer

[removed]

A.

reliability

[removed]

B.

validity

[removed]

C.

consistency

[removed]

D.

generalizability

0.5 points  

Question 10

  1.  

When farsighted the medium for a set of axioms after a while most-violent scores (eg. everyday pay), which appraise of convenient scope would be best used?

Answer

[removed]

A.

mean

[removed]

B.

median

[removed]

C.

mode

[removed]

D.

trutination error

0.5 points  

Question 11

  1.  

Which of the aftercited is a appraise of how courteous a exemplification approximates the characteristics of a population?

Answer

[removed]

A.

sampling accuracy

[removed]

B.

sampling error

[removed]

C.

sampling generalizability

[removed]

D.

sampling consistency

0.5 points  

Question 12

  1.  

What expression is associated after a while scores that are at the most-violent ends of the classification?

  1. Answer

[removed]

A.

Variability

[removed]

B.

Skew

[removed]

C.

Outlier

[removed]

D.

Percentile

0.5 points  

Question 13

  1.  

Which of the aftercited provides you after a while a appraise of how courteous your exemplification approximates the population?

Answer

[removed]

A.

Generalizability

[removed]

B.

Population

[removed]

C.

Hypothesis

[removed]

D.

Sampling error

0.5 points  

Question 14

  1.  

When are picturesque appraises most frequently used?

Answer

[removed]

A.

to define how frequently celebrity occurs

[removed]

B.

to designate if a exemplification is figurative of a population

[removed]

C.

[removed]

D.

to designate the goods of an intervention

0.5 points  

Question 15

  1.  

How are constructive statistics most frequently used?

Answer

[removed]

A.

to delaydraw to the peculiarity of axioms collected

[removed]

B.

to dispose and define axioms

[removed]

C.

to create delaydrawences from the exemplification to the population

[removed]

D.

0.5 points  

Question 16

  1.  

What is the trutination gratifying percentage used by political, behavioral and educational statisticians to designate the likelihood of an result occurring due to luck? 

  1. Answer

[removed]

A.

1 percent

[removed]

B.

5 percent

[removed]

C.

95 percent

[removed]

D.

99 percent

0.5 points  

Question 17

  1.  

What emblem of theory posits a distinction betwixt groups where the command is limited?

Answer

[removed]

A.

Nondirectional theory

[removed]

B.

Directional theory

[removed]

C.

Research theory

[removed]

D.

Null theory

0.5 points  

Question 18

  1.  

Which raze of appraisement is careful barely after a while the characteristics of an fruit that fits into a predicament?

Answer

[removed]

A.

ordinal

[removed]

B.

interval

[removed]

C.

rank

[removed]

D.

nominal

0.5 points  

Question 19

  1.  

What is the basis for the recognized incurvation and constructive statistics?

Answer

[removed]

A.

mean

[removed]

B.

asymptotic

[removed]

C.

probability

[removed]

D.

symmetry

0.5 points  

Question 20

  1.  

Variability is a appraise of how fur separate scores contend from the ______________.

Answer

[removed]

A.

Mean

[removed]

B.

Range

[removed]

C.

Standard deviation

[removed]

D.

Variance