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WorksheetsScatter Plots
Total questions: 25
Worksheet time: 1hrs 7mins
What type of correlation does this graph have?
Negative
no association
positive
What type of correlation does this graph have?
positive
negative
none
all of the above
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 12 absences should get approximately what score on the final exam?
60
92
70
76
Which sentence describes the relationship shown on this scatter plot?
As the temperature decreases, the visitors increase.
As the temperature increases, the number of visitors increases.
As the visitors increase, the temperature decreases.
No correlation
Describe the correlation in the graph shown.
Strong Negative
Strong Positive
Weak Negative
Weak Positive
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?
85
92
70
76
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 pages would be in a book with 19 chapters.
150 pages
170 pages
190 pages
210 pages
Estimate the correlation coefficient for this scatterplot.
r = 1.2
r = 0.89
r = 0
r = -0.89
Estimate the correlation coefficient for this scatterplot.
r = -0.9
r = 1
r = 0.9
r = -1
r=0.3
Strong positive
Weak positive
Strong negative
Weak negative
Which line is the best line of best fit?
a
b
c
i don't see any lines
What are the coordinates of the outlier?
(1,9)
(9,1)
(2,2)
y=x
Number of pets a person has and number of books a person has read
Positive Correlation
Negative Correlation
No Correlation
Number of days absent from school vs. math average
Positive Correlation
Negative Correlation
No Correlation
Test scores vs. shoe sizes
Positive Correlation
Negative Correlation
No Correlation
A person’s height and a person’s age up to adulthood
Positive Correlation
Negative Correlation
No Correlation
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
A) Positive correlation
B) Negative correlation
D) No correlation
As x increases, y decreases.
A) no correlation
B) negative correlation
C) correlation coefficient
D) positive correlation
A correlation value (r) that has a strong, positive linear association would have a value close to
1
0
-1
Cannot be answered
