Question

the data below represents the number of t-shirts sold per week by a student who started his own online t-shirt business. find the weighted mean of the number of t-shirts sold per week. (round your answer to the nearest tenth if necessary.) t-shirts sold per week frequency 4 7 8 5 12 4 16 1 weighted mean

Answer 1

The weighted weekly mean of t-shirt sales is 5.6.

The total number of weeks reported is the sum of the frequency column.

1+4+7+3 = 15 weeks

The total number of t-shirts sold is calculated as the product of the quantity of t-shirts sold and the number of weeks during which those t-shirts were sold.

2*1 + 4*4 + 6*7 + 8*3 = 2 + 16 + 42 + 24 = 84

The weighted mean, which is the product of the total quantity of t-shirts and the total number of weeks, represents the average number of T-shirts sold every week:

84/15 = 5.6

Response: 5.6

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