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

    Which scatterplot suggests a linear relationship between x and y?

    answer choices
  • Question 5
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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
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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?

    answer choices
  • 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
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    Q.

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

    answer choices
  • 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
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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
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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
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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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