As the new manager of a small convenience store, you want to understand the shop

Question

As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in38.444.4731.0947.13 dollars) are shown to the right. Complete parts a) through d) 10- 37.7535.16 63.63 51.86 56.70 82.78 48.17 10.80 5 21.81 41.67 38.66 31.35 76.44 72.48 47.43 66.22 1 0 50 100 Purchase (S) The distribution is unimodal. b) Where is(are) the mode(s)? OA. The modes of the data are around $10 and $80 B. The mode of the data is around $50. ° C. The modes of the data are around $0 and $90. D. The mode of the data is around $30. c) Is the distribution symmetric? O A. The distribution is roughly symmetric. It is slightly skewed to the right. O B. The distribution is perfectly symmetric. C. The distribution is roughly symmetric. It is slightly skewed to the left. O D. The distribution is not symmetric

Explanation / Answer

Note: conclusions made on histogram given

Part-A : distribution is unimodal

Part-B : highest pick is somewhere between 20 to 40.

. " The mode of the data is arround $30"

Part-C : since the tail is elongated towards the right side

" The distribution is roughly symmetric . It is slightly skewed to the right"

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