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Math Topics

Quantitative Literacy

Statistics

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1
Statistics: Mean, Median, and Mode

A math class with \(18\) students had the grades shown below on their first test. Find the mean, the median, and the mode.

\(77 \quad 87 \quad 100 \quad 65 \quad 79 \quad 87 \quad 79 \quad 85 \quad 87\\
95 \quad 56 \quad 87 \quad 56 \quad 75 \quad 79 \quad 93 \quad 97 \quad 92\)

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2
Displaying Information

The data here shows the ACT scores for a group of \(18\) incoming college freshmen. Construct a box-and-whisker plot from the data. \[20 \quad 31 \quad 25 \quad 22 \quad30 \quad 28 \quad 32 \quad 21 \quad 27\] \[30 \quad 23 \quad 30 \quad 25 \quad31 \quad 23 \quad 20 \quad 23 \quad 26\]

The pie chart shows where a group of freshmen students live. Use the pie chart to answer the following questions:

Find the total number of students surveyed.

Find the ratio of those living in the dorms to the total surveyed.

Find the ratio of those living in their parentsÃ¢â‚¬â„¢ homes to those living in apartments.