Chapter 5, Problem 13E

a)

To determine

To suggest change in histogram for better comparison.

Answer to Problem 13E

The scale on the horizontal axis should be same.

Explanation of Solution

Given:

  

For better comparison, the scale on the horizontal axis should be same. So, we can make it 0 to 20 scale for both histograms.

b)

To determine

To explain the distributions.

Answer to Problem 13E

The shape of the distribution of Men and Women are bot left skewed.

Explanation of Solution

Given:

  

The shape of the distribution of Men and Women are bot left skewed. Also, the duration of Men has a larger spread as compare to Women. There seems to be an outlier in duration of Men however it is not in Women duration.

c)

To determine

To suggest a reason for the peak in Women’s length of stay.

Answer to Problem 13E

Yes, because women have to stay longer for child births which is not true for men.

Explanation of Solution

Given:

  

In general, women have to stay longer for child births which is not true for men. This is the reason for the peak in Women’s length of stay.