Bar chart and expected frequencies for each class

Reference no: EM1315573

Advertisers need to know which age groups are likely to see their ads. Purchasers of 120 copies of Cosmopolitan are shown by age group, (a) Make a bar chart and describe it. (b) Calculate expected frequencies for each class.

Cosmo:

Purchaser Age	Units Sold
18-24	38
25-34	28
35-44	19
45-54	16
55-64	10
65+	9
Total	120

Reference no: EM1315573

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