Linear Regression
Quiz
•
Mathematics
•
9th Grade
•
Medium
+4
Standards-aligned
Keirsten Klein
Used 6+ times
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8 questions
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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.
Tags
CCSS.8.EE.C.8C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of complaints a company received at the end of each of six weeks is shown in this table.
Based on the line of best fit, how many complaints should the company expect at the end of week 8?
75
91
96
110
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the equation of the line of best fit for this table.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the line of best fit
y = 0.42x - 20
y = -20x + 0.42
y = 67x + 8.5
y = 8.5x + 67
Tags
CCSS.8.EE.C.8C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the height of a tree for various years after it was planted. Using the line of best fit, how tall would the tree be 30 years after it was planted?
22 feet
23 feet
36 feet
37 feet
Tags
CCSS.HSA.CED.A.2
CCSS.HSF.IF.B.4
CCSS.HSS.ID.B.6
CCSS.HSS.ID.C.7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The table shows the height and shoe sizes of several students. Use the line of best fit to predict a student's height if they wear a size 7 shoe.
35 inches
60 inches
17 inches
63 inches
Tags
CCSS.HSF-LE.A.1B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The linear regression equation is y = 61.93x - 1.79. According to the model, the slope can be interpreted as:
Tags
CCSS.HSF.LE.B.5
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