# Refer to Exercise 13.30. The f

Refer to Exercise 13.30. The following data are the heights for the 38 females who said they prefer to sit in the front of the classroom

66, 63, 63, 66, 65.5, 63, 60, 64, 63, 68, 68, 66, 62.5, 65, 64, 63, 66, 63, 63, 67, 66, 66, 62, 65, 63.5, 60, 61, 62, 63, 60, 65, 62, 63, 63, 62, 65, 63, 66

The mean height for the population of college females is 65 inches. Carry out the five steps to test the claim that the mean height for females who prefer to sit in the front of the room is lower than it is for the general population. In other words, test whether females who prefer to sit in the front of the room are shorter than average. Use .

Exercise 13.30

The survey in the UCDavis2 dataset on the companion website asked students if they preferred to sit in the front, middle, or back of the class and also asked them their heights. The following data are the heights for 15 female students who said they prefer to sit in the back of the class.

The mean height for the population of college females is 65 inches. Carry out the five steps to test the claim that the mean height for females who prefer to sit in the back of the room is higher than it is for the general population. In other words, test whether females who prefer to sit in the back of the room are taller than average. Use

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