
Unit 3
Authored by Dan Perion
Mathematics
9th Grade
CCSS covered
Used 59+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which value would best fit in the missing cell to suggest there is no evidence of an association between the variables?
5
19
27
65
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fill in the empty portion of the table with a value based on the given information if there were 500 people surveyed.
223
170
172
187
Tags
CCSS.HSN.VM.C.6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine if there is an association between the variables.
Yes, there is an association between passing the quiz and whether they studied.
No, there is an association between passing the quiz and whether they studied.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of these graphs represents the residuals for a scatter plot that is fit well by a linear model?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is the best estimate of the correlation coefficient for the line of best fit shown in the scatter plot?
r = 0.51
r = -0.96
r = -0.76
r = 0.84
Tags
CCSS.HSN.VM.C.6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is the best estimate of the correlation coefficient for the line of best fit shown in the scatter plot?
r = 1
r = 0.89
r = -0.75
r = 0.21
Tags
CCSS.HSN.VM.C.6
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
The data in the graph suggest a linear association. Which functions best represents the equation of the line of best fit?
y = 73x + 146.53
y = -21x - 917.50
y = 65x + 125
y = -70x + 110
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