2
QuizMultiple Choice

Representing Data Sets with Histograms

Question 2 • Concepts in Probability and Statistics A

Which statement about a histogram is true?

Answer
A
A cluster means the frequency is zero.
B
If the graph has a cluster, the data is evenly distributed.
C
A mirror image of the left and right side of a histogram means there is a peak in the middle.
D
A peak is a bar that is higher than the other bars around it.

Explanation

A peak is a bar that is taller than the bars near it, showing a relatively high frequency in that interval. A cluster is a group of data values close together, not a frequency of zero, and it does not mean the data is evenly distributed. A mirror-image shape describes symmetry, but it does not necessarily mean there is a peak in the middle.

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