Scatterplots
a year ago
mrsdavidmath
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16 QuestionsShow answers
• Question 1
300 seconds
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Q.

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot. Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

answer choices

9 hours

10 hours

7 hours

8 hours

• Question 2
300 seconds
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Q.

Students in a science class investigated how the speed of changes with the air temperature outside. The data is shown in the scatterplot. Based on the scatterplot, what is the best prediction of the speed of sound when the air temperate is 50 degrees C?

answer choices

350 m/s

355 m/s

360 m/s

365 m/s

• Question 3
300 seconds
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Q.

The scatterplot shows the number of people in each of 8 different households and the average amount of money each household spent on groceries. Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household that has 7 people?

answer choices

\$240

\$190

\$210

\$300

• Question 4
300 seconds
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Q.

Which scatterplot suggests a linear relationship between x and y?

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• Question 5
300 seconds
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Q.

Ben collected data from a group of 12 people. He measured each person's resting heart rate and recorded the average number of hours each person exercised per week. He created a scatterplot to show the data he collected. Based on the scatterplot, what is the best prediction of the resting heart rate, in beats per minute, of a person who exercises an average of 8 hours per week?

answer choices

30 beats per minute

50 beats per minute

55 beats per minute

60 beats per minute

• Question 6
300 seconds
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Q.

The scatterplot shows the average number of hours each of 13 people spends at work every week and the average number of hours each of them spends on recreational activities every week. Based on the scatterplot, what is the best prediction of the average number of hours a person spends at work every week if that person spends an average of 10 hours on recreational activities each week?

answer choices

33 h

85 h

50 h

65 h

• Question 7
300 seconds
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Q.

Which scatterplot suggests a linear relationship between x and y?

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• Question 8
300 seconds
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Q.

The manager of a restaurant recorded how many people were in different groups of customers and how much those groups spent on food and beverages. The scatterplot below shows the data she recorded. Based on this scatterplot, about how much money would a group of 10 people be expected to spend on food and beverages at this restaurant?

answer choices

\$135

\$115

\$105

\$150

• Question 9
300 seconds
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Q.

Which scatterplot does NOT suggest a linear relationship between x and y?

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• Question 10
300 seconds
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Q.

The scatterplot shows the number hours that 12 people spent learning to type on a keyboard and each person's average typing speed. Based on the scatterplot, what is the best prediction of a person's average typing speed in words per minute (wpm) if the person has spent 70 hours learning to type?

answer choices

100 wpm

55 wpm

85 wpm

70 wpm

• Question 11
300 seconds
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Q.

Mrs. Collins made a scatterplot to show the relationship between the number of absences a student in her class has and the student's final exam score. Based on this scatterplot, approximately what score should a student with 6 absences expect to receive on the final exam?

answer choices

65

92

67

76

• Question 12
300 seconds
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Q.

The daily attendance at a bowling alley was recorded for 15 days. The scatterplot shows the number of lanes rented each day and the number of people who bowled that day. Which statement is best supported by the scatterplot?

answer choices

There is a non-linear assocation between the number of lanes rented and the number of people who bowl.

There is a negative linear association between the number of lanes rented and the number of people who bowl.

There is no apparent association between the number of lanes rented and the number of people who bowl.

There is a positive linear association between the number of lanes rented and the number of people who bowl.

• Question 13
300 seconds
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Q.

Julie made 25 international long-distance phone calls to London last month. The scatterplot below shows the length and cost of each phone call she made. Which conclusion is best supported by the scatterplot?

answer choices

As the length of a call increases, the cost of the call increases.

As the length of a call increases, the cost of the call remains the same.

As the length of a call increases, the cost of the call descreases.

There is no relationship between the length of a call and the cost of a call.

• Question 14
300 seconds
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Q.

Students recorded the total number of pages and chapters in each of several books on the scatterplot. Based on the scatterplot, which is the best prediction of the total number of pages in a book with 4 chapters?

answer choices

150 pages

140 pages

90 pages

120 pages

• Question 15
300 seconds
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Q.

The scatterplot shows the time spent playing a video game and the number of points scored by several students. Based on the scatterplot, which is the best prediction of the number of points scored by a student who spends 45 minutes playing the video game?

answer choices

1,200

920

1,060

1,300

• Question 16
300 seconds
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Q.

Which scatterplot does NOT suggest a linear relationship between x and y?

answer choices
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