In 2011, the mean rate of violent crime (per 100,000 people) for 24 particular s

ID: 3023505 • Letter: I

Question

In 2011, the mean rate of violent crime (per 100,000 people) for 24 particular states was 427. The standard deviation was 159. Assume that the distribution of violent crime rates is unimodal and symmetric. Complete parts (a) through (d) below.

The graph on the right is a sketch of the distribution of the crime rates. What percentage of data should occur within two standard deviations of the mean?

The percentage of data that occurs within two standard deviations of the mean should be______% - type as whole number

Explanation / Answer

SOl)

The percentage of data that occurs within two standard deviations of the mean should be 68% - type as whole number

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In 2011, the mean rate of violent crime (per 100,000 people) for 24 particular s

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