Scores on a Test Have a Mean of 62 And \mathrm

question 72

Multiple Choice

Scores on a test have a mean of 62 and $\mathrm { Q } _ { 3 }$ is 84. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth.

• A)14.7
• B)32.8
• C)29.3
• D)16.5

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Definitions:

1890s

A decade of the late 19th century known for its significant economic, social, and political changes, including the start of the Progressive Era in the United States.

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Organizations that represent the collective interests of workers in negotiations with employers over wages, working conditions, and rights.

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