Bivariate Data Regression Review
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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.
10 miles
617.5 miles
0.19 miles
500 miles
Tags
CCSS.HSF.LE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
represents the percentage of the data that is the closest to the line of best fit.
R
S
X
r2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these is the regression equation for Desmos?
y1~b+mx1
y1~b+ax1
y1~mx1+b
y1~ax1+b
Tags
CCSS.8.EE.B.5
4.
DRAG AND DROP QUESTION
1 min • 1 pt
A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y) are given in the accompanying table. Write the linear regression equation that represents this set of data.
y= (a) x + (b)
0.8
11
-23
1.75
-0.6
18
Tags
CCSS.8.EE.C.8C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the context of bivariate data, what does the term "residual" refer to?
The difference between the observed value and the predicted value.
The slope of the regression line.
The y-intercept of the regression line.
The correlation coefficient.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a scatter plot, what does it mean if the points are very close to the regression line?
The correlation is weak.
The correlation is strong.
There is no correlation.
The variables are independent.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does the term "line of best fit" refer to in a scatter plot?
A line that passes through all the data points.
A line that minimises the distance of all points from the line.
A line that maximises the distance of all points from the line.
A line that is parallel to the x-axis.
Tags
CCSS.8.EE.B.5
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