For the following set of data, find the percentage of data within 1 population standard deviation of the mean, to the nearest 10th of a percent. Data Frequency
25
25
1
1
27
27
8
8
28
28
10
10
29
29
12
12
35
35
12
12
37
37
10
10
41
41
7
7
46
46
2
2