Q:

The dot plot below shows how many customers purchased different numbers of shirts at a sale last weekend.What is the mean absolute deviation of the data set shown? A. 1.16 B. 3 C. 2 D. 3.3

Accepted Solution

A:
Answer:the answer is 1.16 shirtsStep-by-step explanation:the mean absolute deviation is found by finding the average of the difference between each data point and the mean of the data.1st...find the mean of the data by adding all the numbers according to the data plotted and dividing the by the numbers listed; which in this case is 101 +2+ 2+ 3+ 3+ 3+ 4+ 4+ 5+ 6 = 3.3 mean is 3.3then find the difference between the mean and each data pointData Point =                       1      2     2      3     3       3      4      4     5      6Difference from mean = 2.3    1.3   1.3  0.3  0.3   0.3   0.7    0.7   1.7   2.7Find the average of these differences by adding the (differences from Mean) by 102.3  + 1.3  + 1.3  + 0.3  + 0.3  + 0.3  + 0.7  + 0.7 +  1.7 + 2.7                                              10the mean absolute deviations is 1.16 shirts