Do running times of American movies differ somehow from running times of French movies? The author investigated this question by randomly selecting 25 recent movies of each type, resulting in the following running times.
Am: | 94 | 90 | 95 | 93 | 128 | 95 | 125 | 91 | 104 | 116 | 164 | 102 | 90 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
110 | 92 | 113 | 116 | 90 | 97 | 103 | 95 | 120 | 109 | 91 | 135 | ||
Fm: | 123 | 116 | 90 | 156 | 122 | 119 | 125 | 90 | 96 | 94 | 139 | 102 | |
105 | 106 | 95 | 125 | 122 | 103 | 96 | 111 | 84 | 113 | 128 | 93 | 92 |
Construct a comparative stem-and-leaf display by listing stems in the middle of your paper and then placing the Am leaves out to the left and the Fr leaves out to the right. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
American | Stems | French |
---|---|---|
8 | ||
9 | ||
10 | ||
11 | ||
12 | ||
13 | ||
14 | ||
15 | ||
16 |
Comment on interesting features of the display. (Select all that apply.)
American movies are generally shorter than French movies.
Both American and French movies occasionally run very long.
American movies are unimodal strongly positively skewed, while
French movies appear to be bimodal.
French movies are unimodal strongly positively skewed, while
American movies appear to be bimodal.
French movies are generally shorter than American movies and are
less variable in length.
A typical American movie runs around 95 minutes, while French
movies are typically either around 95 minutes or around 125
minutes.
A typical French movie runs around 95 minutes, while American
movies are typically either around 95 minutes or around 125
minutes.
Get Answers For Free
Most questions answered within 1 hours.