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Empirical Rule Normal Curve Outliers Review
Authored by Anthony Clark
Mathematics
12th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
TRUE OR FALSE: Normal Distributions are symmetrical about the mean.
True
False
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On a standardized test, Cathy had a score of 74, which was exactly 1 standard deviation below the mean. If the standard deviation for the test is 6, what is the mean score for the test?
*DRAW A PICTURE*
68
71
77
80
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On a standardized test, a score of 82 falls exactly 1 standard deviation below the mean. If the standard deviation for the test is 4, what is the mean score for the test?
78
80
84
86
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On a standardized test, Phillip scored 84, exactly 1 standard deviation above the mean. If the standard deviation for the test is 6, what is the mean score for the tes?
72
78
84
90
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About what percent of the products last between 9 and 15 days?
68%
34%
16%
2.5%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Empirical Rule's percents are:
68, 95.7, 99
68, 95, 99.7
68.7, 95, 99
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.
About 95% of a particular dairy product has a shelf life between...
9 and 15
6 and 18
9 and 18
3 and 21
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