Below is the number of times a commercial was shown displaying high fat, high sugar foods during children's programming over each of 20 days. 11, 12, 21, 7, 15, 12, 8, 17, 19, 5,
10, 11, 3, 9, 6, 22, 18, 16, 10, 14
(a) Create a simple frequency distribution for these grouped data with four intervals.
Interval Frequency
18-22
5

Incorrect: Your answer is incorrect.
13-17
3

Incorrect: Your answer is incorrect.
8-12
8

Correct: Your answer is correct.
3-7
4

Correct: Your answer is correct.