1.8 Lines and Correlations
Authored by Grace Avery
Mathematics
9th - 12th Grade
CCSS covered
Used 17+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The graph shows the weights of dogs and the time it took the same dogs to complete an agility course in seconds.
Which shows the line of best fit for the data?
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The scatter plot below shows the average yearly consumption of bottled water by people in the United States starting in 1990.
Using the line of best fit, predict the average consumption of bottled water in the year 2000?
20 gallons
18 gallons
22 gallons
19 gallons
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which graph represents a positive correlation?
Tags
CCSS.HSS.ID.B.5
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which relationship is shown by the above scatterplot?
As the cost goes down, the number sold goes down
As the cost goes up, the number sold goes down
As the cost goes down, the number sold remains the same
There is no relationship between cost and the number sold
Tags
CCSS.HSF-LE.A.1B
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Above is the number of clothes donated to New York City homeless shelters in the given years.
Determine the equation for the line of best fit using the given two points on the line of best fit, where x is the number years since 1992 and y is the number of clothes donated in thousands.
y = -0.375x + 48.5
y = 0.375x + 48.5
y = -0.375x - 48.5
y = 0.375x - 48.5
Tags
CCSS.HSF-LE.A.1B
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A keyboarding instructor at a community college collected data comparing a student’s age and their typing speed. The equation for the line of best fit is given as y = -1.4x + 117.8, where x is the “age in years” and y is the “typing speed.
If you are 25 years of age, what is your typing speed?
153 words per minute
83 words per minute
63 words per minute
102 words per minute
Tags
CCSS.HSF.LE.B.5
7.
OPEN ENDED QUESTION
15 mins • Ungraded
Determine the equation for the line of best fit
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.B.5
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