Variance and Standard Deviation
Authored by Nour Al Ayash
Mathematics
11th Grade
CCSS covered
Used 3+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the variance for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
CCSS.6.SP.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a measure of variability?
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does variance represent?
How many different variations are in the data set.
How the population varies compared to the sample.
How spread out each data value is from the mean.
The range, but with a bunch of other stuff going on.
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.ID.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you calculate the standard deviation?
Divide the variance by 2.
Its a long process and I can't explain it right now.
Find the mean and multiply it by the variance.
Take the square root of the variance.
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