The Beck Depression Inventory (BDI) is a validated questionnaire that is widely used to collect data on self-reported symptoms of subclinical depression. The distribution of BDI is shown for 119 military spouses participating in a weight loss intervention conducted in the Energy Metabolism Lab at the HNRCA. Please answer the following questions in no more than one sentence each.

A:Based on the histogram below, which measure of central tendency is greater, the median or the mean? Why?

B:Suppose you were asked to report a single statistic to represent BDI scores in this population. What would you report? Why?

C:Suppose the histogram were normally distributed. Would your answer tobabove change? Why?

D:Does this histogram show the sampling distribution of the sample mean? In no more than two sentences, explain why or why not.

50 40 30 20 10 10 15 20 25 30 35 40 BDI Total