Regression Analysis 10.4-10.5 Review

Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
+1
Standards-aligned
Kristin Janowiak
Used 14+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following scatterplot, identify the explanatory and response variable.
Explanatory: Umbrellas Sold, Response: Rainfall
Explanatory: Rainfall, Response: Umbrellas Sold
Tags
CCSS.HSS.ID.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the scatterplot, fill in the blank to finish describing the relationship:
As the rainfall increases, the number of umbrellas sold ______
decreases
doesn't change
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Judy's math teacher plots student grades on their weekly quizzes against the number of hours they say they study and then draws the line of best fit. What does the point (0.5, 53.1) represent?
A student who actually spent 53.1 hours studying got a score of a 0.5.
After studying 53.1 hours, a student should expect a score of 0.5.
A student who actually spent 0.5 hours studying got a score of 53.1
After studying 0.5 hours, a student should expect a score of 53.1.
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ariana keeps track of the number of people inside a music hall to attend a concert by looking at the number of scanned tickets. She plotted the data where x=0 represents the time at 6pm then drew the line of best fit. What does the slope of the line represent?
With every additional hour past 6pm, the average change in the number of people
With every additional person, the average change in the number of hours since 6pm
The number of people in the music hall 1 hour after 6pm
The number of hours past 6pm when there is 1 person in the music hall
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An ice skating rink sells hot cocoa. An employee plots the number of hot cocoas sold relative to the day's high temperature and then draws the line of best fit. What does the y-intercept represent?
A prediction of the temp. when 0 hot cocoas are sold
The actual temp. when 0 hot cocoas are sold
A prediction of the number of hot cocoas sold when the temp. is 0 degrees
The actual number of hot cocoas sold when the temp is 0 degrees
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data was collected from a math class on their average homework completion along with their average assessment score. The equation for the line of best fit was y = 0.6x + 36.2.
Interpret the slope.
With each additional percentage on assessments, the average homework completion increases by 0.6%.
With each additional percentage of homework completed, the average assessment score increases by 0.6%
With each additional percentage of homework completed, the average assessment score increases by 36.2%
With each additional percentage on assessments, the average homework completion increases by 36.2%.
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Data was collected from a math class on their average homework completion along with their average assessment score. The equation for the line of best fit was y = 0.6x + 36.2.
Interpret the y-intercept.
If a student completed 0% homework, their predicted average assessment score is a 36.2%
If a student completed 0.6% homework, their predicted average assessment score is a 36.2%
If a student completed 0.6% homework, their predicted average assessment score is a 0%
If a student completes 0% homework, their predicted average assessment score is a 0.6%
Tags
CCSS.HSF.LE.B.5
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