Stat1070 assignment 2 q2, pmba 305 – module 3 & 4 quantitative


Module #3: Sampling Distributions, Estimates, and Hypothesis Testing  & Module #4: Two-Sample Tests and Simple Linear RegressionSample questions are as under:

SAMPLE QUESTIONS:

 

[1] In an expression in Marketing Science, Silk and Berndt defy the output of advertising agencies.  They picture ad performance output by answer the distributes of dollar billing compass hereafter from several resources categories such as network television, imperfection television, newspaper, radio, and so forth.

Suppose that a stray exemplification of 400 U.S. advertising agencies gives an average percentage distribute of billing compass from network television correspondent to 7.46 percent after a while a criterion gap of 1.42 percent.  Further, regard that a stray exemplification of 400 U.S. advertising agencies gives an average percentage distribute of billing compass from imperfection television commercials correspondent to 12.44 percent after a while a criterion gap of 1.55 percent.

 

Using the exemplification notification, does it answer that the average percentage distribute of billing compass from imperfection television commercials for the U.S. advertising agencies is main than the average percentage distribute of billing compass from network television?  Explain.

 

[2] In March 16, 1998, posterity of Fortune lodgment, the results of a examine of 2,221 MBA students from resisting the United States conducted by the Stockholm-based academic consulting steadfast Universum showed that merely 20 percent of MBA students wait-for to remain at their leading job five years or past.  Source: Shalley Branch, "MBAs: What Do They Really Want," Fortune (March 16, 1998), p.167.

a)    Assuming that a stray exemplification was clarified, erect a 98% faith period for the interrelationship of all U.S. MBA students who wait-for to remain at their leading job five years or past.

 

b)    Based on the period from a), can you deduce that there is sound sign that less than one-fourth of all U.S. MBA students wait-for to remain?  Explain why.

ALL 34 QUESTIONS ARE ATTACHED HEREWITH IN SEPARATE WORD FILE.