Linear Regressions
Authored by Kenton Barnett
Mathematics
9th Grade
CCSS covered
Used 26+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What letter do we use to represent correlation coefficient?
Tags
CCSS.8.SP.A.1
CCSS.8.SP.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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.
Tags
CCSS.HSF.LE.B.5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The linear regression equation is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.
Tags
CCSS.8.EE.C.8C
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.
Tags
CCSS.8.EE.C.8C
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Estimate the correlation coefficient for this scatterplot.
A) r = 1.2
B) r = 0.89
C)r = 0
D) r = -0.89
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.8
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Estimate the correlation coefficient for this scatterplot.
A) r = -0.9
B) r = 1
C) r = 0.9
D) r = -1
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.8
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What type of correlation does this graph show?
A) Positive
B) negative
C) none
D) all of the above
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.8
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