Interpreting Slope for Linear Regressions
Authored by MELISSA ANN NEAL
Other
9th - 12th Grade
CCSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data was collected on the weight of a male laboratory rat for the first 25 weeks after its birth. The linear regression equation is
y= 40x+100, where x is number of weeks and y is weight in grams.
What does the y-intercept mean in context of the problem?
2.
MULTIPLE CHOICE QUESTION
5 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
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The linear regression equation is y = 61.93x - 1.79. According to the model, the slope can be interpreted as:
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
15 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
15 mins • 1 pt
Tags
CCSS.HSF-LE.A.1B
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data was collected on the weight of a male laboratory rat for the first 25 weeks after its birth. The linear regression equation is y= 40x+100, where x is number of weeks and y is weight in grams. What does the y-intercept mean in context of the problem?
The predicted weight of the rat in year 0.
The predicted weight of the rat at birth.
The current weight of the rat.
The average increase in the rat's weight.
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the correlation in the graph shown.
Tags
CCSS.HSF-LE.A.1B
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