regression models
10th - 12th Grade
•18 Qs
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regression models
Quiz
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Medium
+14
Standards-aligned
Alex Mahony
Used 111+ times
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18 questions
Show all answers
1.
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.
y = 1.5x + 12
y = 12x + 1.5
y = 0.67x - 8
y = -8x + 0.67
Tags
CCSS.8.EE.C.8C
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Describe the correlation in the graph shown.
Tags
CCSS.HSF-LE.A.1B
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If Gold's Gym is looking to buy 30 TVs, how much will each one cost?
Tags
CCSS.8.EE.B.5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.
Tags
CCSS.HSA.CED.A.2
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?
The more books students read, the lower their English grade.
The more books students read, the higher their English grade.
The fewer books students read, the higher their English grade.
No relationship exists between the number of books students read and their English grades.
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Data is collected comparing sales of cars and the age of the salesperson. After analyzing the data, it is determined that the correlation coefficient is 0.19. What does this mean?
There is little to no correlation between sales and age of the salesperson.
There is a strong positive correlation between sales and age of the salesperson.
There is a strong negative correlation between sales and age of the salesperson.
There is a weak negative correlation between sales and age of the salesperson.
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Estimate the correlation coefficient for this scatterplot.
r = 1.2
r = 0.89
r = 0
r = -0.89
Tags
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.8
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