Data Was Collected on Hand Grip Strength of Adults

Multiple Choice

Data was collected on hand grip strength of adults. The histogram below summarizes the data. Which statement is true about the distribution of the data shown in the graph?

A) The graph shows evidence that two different groups may have been combined into one collection.
B) The graph is useless because it is bimodal.
C) There must have been a mistake made in data collection because the distribution should be bell- shaped.
D) The best estimate of typical grip strength is 80- 90 pounds because it is in the center of the distribution.