The Statistics Department at a large university is interested in the difference in the ratings between male and female professors. The ratings are on a 1-5 scale. Suppose the male professors are the first sample while the female professors are the second.Using a confidence level of 95%, the confidence interval found was (−1.7,−1.2)(-1.7,-1.2).We are 95% confident that the ratings of the male professors are, on average, better than those of the female professors.We are 95% confident that the ratings of the female professors are, on average, better than those of the male professors.We are 95% confident that the ratings of the male professors are, on average, about the same as those of the female professors.

The given 95% confidence interval was (-1.7, -1.2).

Answered: The Statistics Department at a large…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The Statistics Department at a large university is interested in the difference in the ratings between male and female professors. The ratings are on a 1-5 scale. Suppose the male professors are the first sample while the female professors are the second.

Using a confidence level of 95%, the confidence interval found was (−1.7,−1.2)(-1.7,-1.2).

We are 95% confident that the ratings of the male professors are, on average, better than those of the female professors.
We are 95% confident that the ratings of the female professors are, on average, better than those of the male professors.
We are 95% confident that the ratings of the male professors are, on average, about the same as those of the female professors.

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