Data Analysis

The frequency table shows the results of a survey about the number of days per week some families watch television together. Which dot plot represents the data in the table?

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What is the total number of soccer balls sold during all four weeks?

The graph shows the number of sandwiches delivered over five days. Which choice shows the correct number of sandwiches on each day?

• Monday = 54

  Tuesday = 30

  Wednesday = 66

  Thursday = 18

  Friday = 72

• Monday = 54

  Tuesday = 26

  Wednesday = 62

  Thursday = 14

  Friday = 72

• Monday = 54

  Tuesday = 25

  Wednesday = 66

  Thursday = 18

  Friday = 72

• Monday = 54

  Tuesday = 30

  Wednesday = 65

  Thursday = 20

  Friday = 72

Answer explanation

The graph indicates that on Monday there are 54 sandwiches, Tuesday has 30, Wednesday shows 66, Thursday has 18, and Friday has 72. This matches the first answer choice, confirming it as the correct one.

The graph below shows the number of books returned to the school library this week. Which table represents the information in the graph?

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The frequency table shows the different number of items sold at the school store last week. Which graph best represents the information in the table?

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Based on the graph, how many more second graders than fourth graders participated in the school color run?

• A. 8, because 44 - 36 = 8

• B. 5, because 40 - 35 = 5

• C. 20, because 44 - 24 = 20

• D. 7, because 44 - 35 = 7

Answer explanation

The graph shows 44 second graders and 36 fourth graders participated. To find how many more second graders participated, subtract: 44 - 36 = 8. Thus, the correct answer is A.

For Valentine’s Day the 3rd grade classes made cards for the local nursing home.

The information below describes how many cards each class made.

• Mrs. Taylor’s class made 32 cards.

• Ms. Kim’s class made 24 cards.

• Mr. Lim’s class made 28 cards.

• Mrs. Herrera’s class made 22 cards.

A 3rd grade class created the pictograph to represent the number of cards each class made, where each heart represents 4 cards. Which two teachers’ data is represented correctly. Select TWO correct answers.

• Mrs. Taylor

• Ms. Kim

• Mr. Lim

• Mrs. Herrera

Answer explanation

Mrs. Taylor made 32 cards, represented by 8 hearts (32/4=8). Mr. Lim made 28 cards, represented by 7 hearts (28/4=7). Ms. Kim and Mrs. Herrera's card counts do not match the heart representation correctly.

Tatiana had a number cube. The cube had six sides and each side was labeled with the numbers 1-6. Tatiana rolled the number cube 20 times and recorded the number rolled. The numbers on the cube Tatiana rolled are shown below in the list:

6, 1, 3, 4, 3, 2, 3, 5, 6, 5, 3, 5, 3, 3, 5, 4, 3, 5, 3

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The calendar shows the high temperature in San Francisco for the first 10 days in January.

A dot plot was started to represent the data.

Choose the correct answer to complete the statement: One more dot needs to be added to ________ degrees.

• 61

• 59

• 56

• 63

Answer explanation

The dot plot indicates that the temperature of 59 degrees is missing one dot. Therefore, one more dot needs to be added to 59 degrees to accurately represent the data.

The dot plot shows the number of hours different students spent playing video games last week. How many students played 8 or more hours of video games last week?

• 2

• 8

• 10

• 9