Variance and Standard Deviation
8th - 9th Grade
•22 Qs
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Variance and Standard Deviation
Quiz
•
Mathematics
•
8th - 9th Grade
•
Hard
+13
Standards-aligned
Denise Frye
Used 14+ times
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is a measure of variability?
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If the standard deviation of a data set is 4, what is the variance?
Tags
CCSS.6.SP.A.3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?
511.33
22.61
438.48
20.94
Tags
CCSS.6.SP.A.1
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the mean of the given data 8, 7, 5, 9, 6, 13
Tags
CCSS.6.SP.A.2
CCSS.6.SP.A.3
CCSS.6.SP.B.5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the mean of 3, 7, 9, 9 12.
Tags
CCSS.6.SP.B.5C
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Before you can begin calculating the variance, you must first:
find the mean
find the median
find the mode
find the range
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.ID.A.3
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