Answer Happy

A recent statistics exam yielded the following 30 scores. Construct a grouped frequency distribution, using 7 classes. 29 23 26 47 56 62 72 25 64 55 36 27 78 32 65 43 37 64 20 29 26 34 48 58 72 45 26 39 66 79 Class Limits Class boundary Frequency Mid - Point