Worksheets8.5D Trend Lines and Linear Relationships
Total questions: 12
Worksheet time: 3600secs
The scatterplot shows the height in centimeters and weight in kilograms of several students.
Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?
152 cm
160 cm
162 cm
156 cm
The scatterplot shows the low temperature and high temperature each day for a two-week period of time.
Based on the scatterplot, which is the best prediction of the high temperature in degrees Fahrenheit on a day when the low temperature is 71 °F?
92 °F
101 °F
88 °F
100 °F
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?
150 pages
140 pages
90 pages
120 pages
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?
1,200
920
1,060
1,300
Students in a science class investigated how the speed of sound 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 temperature is 50°C?
350 m/s
355 m/s
360 m/s
365 m/s
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 shown.
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?
9 hours
8 hours
10 hours
7 hours
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?
$240
$190
$210
$300
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 each week?
30 beats per minute
50 beats per minute
55 beats per minute
60 beats per minute
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 every week?
33 h
85 h
50 h
65 h
The manager of a restaurant recorded how many people were in different groups of customers and how much those groups spend on food and beverages. The scatterplot shown 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?
$135
$115
$105
$150
The scatterplot shows the number of 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?
100 wpm
55 wpm
85 wpm
70 wpm
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 the scatterplot, approximately what score should a student with 6 absences expect to receive on the final exam?
65
92
67
76
