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WorksheetsInterpreting Scatterplots and Trend Lines
Total questions: 15
Worksheet time: 15mins
Is this line an accurate line estimate of best fit for the data?
Yes
No
Is this line an accurate line estimate of best fit for the data?
Yes
No
What is the equation of the line of best fit?
y= −21x + 6
y= 21x +6
y= 6x + 2
y = -2x +6
As x increases, y decreases.
no correlation
negative correlation
correlation coefficient
positive correlation
What type of association does this graph have?
positive
negative
none
all of the above
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
The more books students read, the lower their English grade.
The more books students read, the higher their English grade.
The fewer books students read, the higher their English grade.
No relationship exists between the number of books students read and their English grades.
Which of the following lines represents the line of best fit for the scatter plot?
A
B
C
D
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 220 pages.
22 chapters
20 chapters
18 chapters
26 chapters
What is the correlation between length of running start and distance of jump?
positive: the further you run the further you jump
negative: the less you run the less distance of your jump
positive: the further your running start the less your distance
What does the x variable represent?
The number of laps
The amount of time in hours
The amount of time in minutes
How long it takes to go 0 laps
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which best describes the dependent variable, y?
Number of books read
Grades in English
Book Reading and English Grades
120 or 40
Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?
65
92
70
76
Based on the graph, if Joe earned $400, how many hours did he work?
25 hours
35 hours
45 hours
15 hours
Which point on the scatter plot represents a hamburger that has 19 grams of fat and 400 Calories?
Point A
Point B
Point C
Point D
The scatter plot shows climate data for 10 cities on a certain day. Use the scatter plot to identify which of these statements is false.
The temperature was at least 22 degrees in 4 cities
Two cities got exactly 10 mm of rain
None of the cities got more than 20 mm of rain
None of the statements are false
