2. The following data represent the wait time (in minutes) of a small group of c

Question

2.

The following data represent the wait time (in minutes) of a small group of customers at a local credit union. You are to provide several summary statistics below This distribution appears to be (circle the best answer): a) Skewed right b) Skewed left c) Symmetric d) Binomial e) Uniform Without doing any calculations, which summary statistic must be larger the mean or the median? Why? Briefly justify how you know this. Using either graphical display, describe the shape of the distribution along with any unusual features.

Explanation / Answer

1. Correct Answer: option (A) Skewed Right

2. It is skewed rigt or positive skewed distribution. In this skewed, the data follows

i) mean > median > model

ii) (Q3-Q2) > (Q2-Q1)

iii) Curve increases fastly and decreases slowly

So in our problem, mean value is larger than median value

3. As per diagram, the unusal point appeared, that point is 13

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