Bivariate Data Stuff
Quiz
âĒ
Mathematics
âĒ
11th - 12th Grade
âĒ
Practice Problem
âĒ
Hard
Standards-aligned
Barbara White
FREE Resource
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27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
A study compared the number of cars a person owns and that personâs average yearly salary. It was determined that the relationship between these two quantities was linear and the correlation was 0.37. Which conclusion can be made on the findings of this study?
There was a weak relationship.
There was a strong relationship.
There was no relationship.
Unpredictable.
2.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
Which value of r represents data with a strong negative linear correlation between two variables?
-0.86
-0.50
0.89
0.07
3.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
What is another way to say regression line?
Histogram
Boxplot
Line of best fit
Scatterplot
4.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
Scatterplots
Are the line of best fit.
Are a numerical measure of the direction and strength of a linear association.
Show the relationship between two quantitative variables measured on the same cases.
Are a point that doesnât fit the overall pattern.
5.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
Correlation coefficients are:
A point that does not fit the overall pattern.
A histogram.
A numerical measure of the direction and strength of a linear association.
A graphical display.
6.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
Which correlation coefficient shows the strongest linear relationship between x and y?
0.97
-0.02
0.86
-0.99
7.
MULTIPLE CHOICE QUESTION
30 sec âĒ 1 pt
A linear regression equation of best fit between how often someone runs and their weight (in kg) is w = 90.21 - 1.14r. The correlation coefficient would be
0<r<1
-1<r<0
r=1
r=-1
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