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Standard Deviation and Variance Empirical Rule
Authored by Anthony Clark
Mathematics
11th Grade
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
There are 500 golf members at the Mathy Country Club. How many are younger than 34?
16
80
100
150
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the standard deviation of the following
2, 5, 5, 8, 11, 12
to 3 s.f.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the variance of the following
2, 5, 5, 8, 11, 12
to 3 s.f.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the standard deviation of the following
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the variance of the following
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the standard deviation of the following
7, 8, 10, 10, 11, 12, 13, 14, 14, 14
to 3 s.f.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the variance of the following
7, 8, 10, 10, 11, 12, 13, 14, 14, 14
to 3 s.f.
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