(a) Find the midpoints for the classes. Round the answers to three decimal places.
Class
Midpoint
Frequency
0.180-0.199
1
0.200-0.219
7
0.220-0.239
39
0.240-0.259
55
0.260-0.279
58
0.280-0.299
52
0.300-0.319
29
0.320-0.339
9
0.340-0.359
3
X
G
