Q4 6th Grade Final Exam Review

Mrs. Dominguez asked her students to plot the number of books they read over the summer. Using the dot plot, how many students read two books?

• 1

• 2

• 3

• 6

Which are examples of statistical questions?

• questions 1 and 2

• questions 1 and 3

• questions 2 and 4

• questions 2 and 3

Julia surveyed the players on her soccer team to see how many hours each member practiced during the week. Her data is shown in the histogram. Which of the following best describes the histogram?

• The histogram is evenly distributed.

• The histogram is symmetrical. 

• The left side of the histogram has a cluster.

• The left side of the histogram is the mirror image of the right side.     

Enzo received the following 5 scores on his math assignments. 100, 95, 90, 98, 92 Find the mean and median. Which measure of center would best represent the data?

• the mean

• the median

• both the mean and the median

• neither the mean nor the median

Max recorded the math scores of five of his classmates in the table. What is the range of their test scores?

• 16

• 24

• 88

• 89

Ivan was given two data sets, one without an outlier and one with an outlier.

Data without an outlier: 108, 113, 105, 118, 124, 121, 109

Data with an outlier: 108, 113, 105, 118, 124, 121, 109, 61

How is the median affected by the outlier?

• The outlier slightly affected the median.

• The outlier made the median higher than all the other values.

• The outlier made the median lower than all the other values.

• The median is the exact same number in both data sets.

Eight car dealerships reported the number of cars they sold last month. What is the upper and lower quartile of this set of data?

• lower quartile: 80.5

  upper quartile: 93

• lower quartile: 88

  upper quartile: 93

• lower quartile: 80.5

  upper quartile: 88

• lower quartile: 72

  upper quartile: 95

Which box plot correctly displays the data set with a maximum of 24, a minimum of 3, a median of 15, an upper quartile of 19, and a lower quartile of 6?

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Norman would like to purchase a new bicycle. He looks at bicycles that are priced at $249, $449, $269, $259, and $329. What is the mean, or average, price of these bicycles?

• $269

• $289

• $302

• $311