Describing and Comparing Data with Histograms — Unit test Answers

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A random sample of teenagers were surveyed about their favorite sport. The bar graph below displays their responses.

The bar for lacrosse is one-third the height of the bar for football.

More teenagers in the sample chose lacrosse over volleyball as their favorite sport.

Twice as many teenagers in the sample chose soccer over basketball as their favorite sport.

Twice as many teenagers in the sample chose football over basketball as their favorite sport.

The dotplot below displays the number of math classes taken by a random sample of 35 students at a high school.

The eye color for students in a statistics class was recorded. The relative frequencies for each color are listed in the table below.

0.27

0.30

0.37

0.50

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