Analyze Data Graphs

What could you infer about the variability of these two data sets?

• The boys would be greater than then girls

• They would be about the same

• The girls would be greater than the boys

• There is no comparison

Crystal surveyed 16 of her friends to determine their favorite free time activities. 50% said watching TV, 25% said reading, 10% said playing sports, and the rest said going to the movies. Which circle graph could best represent Crystal's data?

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Since the data is symmetrical, which measure of center is the best use?

• Mean

• Mode

• Median

• Range

A company makes four different computer models: XL10, XL50, XL200, and XL900. The company surveyed customers who bought these computers last year to determine the satisfaction/dissatisfaction rate among purchasers. The results of the survey are shown in the graph provided.

Which conclusion is supported by the graph?

• The purchasers of the XL50 had the highest rate of satisfaction.

• The purchasers of the XL900 had the highest rate of satisfaction.

• The purchasers of the XL10 had the highest rate of dissatisfaction.

• The purchasers of the XL200 had the highest rate of dissatisfaction.

The circle graphs provided show how Doug and Fred spend their time after school.

What is the difference between the percent of time Doug spends playing sports and the percent of time Fred spends playing sports?

• 14%

• 10%

• 4%

• 1%

Ron, Meg, Kip, and Gil sold a total of 95 tickets to the school dance. Ron sold twice as many tickets as Meg, and two of these students sold the same amount. Which of the following graphs shows this information?

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The box-and-whisker plots summarize the hourly wages of employees at two different fitness clubs.

Based on the box-and-whisker plots, which statement must be valid?

• Fitness Plus has a smaller spread in the upper 25% of the hourly wages than The Fitness Center

• Fitness Plus has a smaller spread in the middle 50% of the hourly wages than The Fitness Center

• The Fitness Center has more employees earning an hourly wage of $17 than Fitness Plus

• The Fitness Center has a larger range in employee hourly wages than Fitness Plus

A class has taken a survey about their favorite treats.

Which bar graph best represents the data from this survey?

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Which bar graph displays the same information as the table provided?

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The box plot shows the prices of different bicycles in a store.

What is the median price of a bicycle at the store?

• $225

• $300

• $350

• $450

• $500