Data Analyzing Graphs

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 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

According to the graph, which animal has a life span that is longer than a giraffe's but shorter than a lion's?

• Tiger

• Chipmunk

• Camel

• Mouse

The bar graph shows the number of hamburgers sold at Bob’s Burger Shack. On which days were more than 80 hamburgers sold?

• Wednesday and Friday

• Tuesday and Thursday

• Monday, Tuesday, and Thursday

• Tuesday, Wednesday, Thursday, and Friday

How many students chose either classical or rock?

• 15 students

• 16 students

• 17 students

• 18 students

How many people have two or less books in their desk?

• 4

• 5

• 6

• 7

What is the mode of the data?

• book

• books

• books

• books

What is the median of the data?

• 200

• 100

• 90

• 140