A) Z test for the difference between two proportions B)Pooled-variance t test fo

Question

A) Z test for the difference between two proportions B)Pooled-variance t test for the difference between two means C) Paired t test D) F test for the ratio of two variancesAre Japanese managers more motivated than American managers? A randomly selected group of each were administered the Sarnoff Survey of Attitudes Toward Life (SSATL), which measures motivation for upward mobility. The SSATL scores are summarized below.

                                                                       American           Japanese

Sample Size                                                      211                     100

Sample Mean SSATL Score                            65.75                    79.83

Sample Std. Dev.                                             11.07                      6.41

Referring to Scenario 10-1, judging from the way the data were collected, which test would likely be most appropriate to employ?

A) Z test for the difference between two proportions

B)Pooled-variance t test for the difference between two means

C) Paired t test

D) F test for the ratio of two variances

Explanation / Answer

as we are checking that which measure is more efficient and here sample size is much highere

hence ooption A is correct/

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