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 dare the output of advertising agencies.  They portray ad agency output by decision the divides of dollar billing tome hence from multitudinous instrument categories such as network television, speck television, newspaper, radio, and so forth.

Suppose that a purposehither scantling of 400 U.S. advertising agencies gives an medium percentage divide of billing tome from network television similar to 7.46 percent delay a scale irregularity of 1.42 percent.  Further, assume that a purposehither scantling of 400 U.S. advertising agencies gives an medium percentage divide of billing tome from speck television commercials similar to 12.44 percent delay a scale irregularity of 1.55 percent.

 

Using the scantling notice, does it answer that the moderation percentage divide of billing tome from speck television commercials for the U.S. advertising agencies is important than the moderation percentage divide of billing tome from network television?  Explain.

 

[2] In March 16, 1998, conclusion of Fortune berth, the results of a view of 2,221 MBA students from across the United States conducted by the Stockholm-based academic consulting secure Universum showed that simply 20 percent of MBA students rely-on to arrive at their leading job five years or further.  Source: Shalley Branch, "MBAs: What Do They Really Want," Fortune (March 16, 1998), p.167.

a)    Assuming that a purposehither scantling was separated, invent a 98% self-reliance interspace for the interrelationship of all U.S. MBA students who rely-on to arrive at their leading job five years or further.

 

b)    Based on the interspace from a), can you determine that there is zealous deposition that hither than one-fourth of all U.S. MBA students rely-on to arrive?  Explain why.

ALL 34 QUESTIONS ARE ATTACHED HEREWITH IN SEPARATE WORD FILE.