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Standard Deviation and Variance Empirical Rule
Authored by Anthony Clark
Mathematics
11th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does this symbol represent?
Standard Deviation
Variance
Mean Absolute Deviation
Sigma
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Order the dot plots from least to greatest standard deviation.
A, D, C, B
B, C, D, A
A, D, B, C
B, C, A, D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a measure of variability?
mean
median
mode
standard deviation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This data is normally distributed. What percent of the data is in the shaded region?
68%
95%
99.7%
50%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the percentage of data that falls within two standard deviations of the mean?
68%
99.7%
95%
98%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the Empirical Rule, what percentage of data values lie within THREE standard deviation of the mean?
68%
95%
99.7%
100%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percent of people within 2 standard deviations of the mean?
99.7
34
68
95
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