Empirical Rule
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the Empirical Rule?
Back
The Empirical Rule states that for a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, about 95% falls within two standard deviations, and about 99.7% falls within three standard deviations.
Tags
CCSS.HSS.ID.A.4
2.
FLASHCARD QUESTION
Front
What percentage of scores are less than the mean in a normal distribution?
Back
50% of scores are less than the mean in a normal distribution.
Tags
CCSS.HSS.ID.A.4
3.
FLASHCARD QUESTION
Front
If the mean is 70 and the standard deviation is 5, what is the interval that contains approximately 95% of the data?
Back
The interval is from 60 to 80.
Tags
CCSS.HSS.ID.A.4
4.
FLASHCARD QUESTION
Front
In a normal distribution, what percentage of data falls between the mean and one standard deviation above the mean?
Back
34% of the data falls between the mean and one standard deviation above the mean.
Tags
CCSS.HSS.ID.A.4
5.
FLASHCARD QUESTION
Front
What is the significance of the standard deviation in a normal distribution?
Back
The standard deviation measures the dispersion or spread of the data around the mean.
6.
FLASHCARD QUESTION
Front
If a normal distribution has a mean of 15 and a standard deviation of 3, what is the interval that contains approximately 68% of the data?
Back
The interval is from 12 to 18.
Tags
CCSS.HSS.ID.A.4
7.
FLASHCARD QUESTION
Front
In a normal distribution, what percentage of data falls within three standard deviations of the mean?
Back
99.7% of the data falls within three standard deviations of the mean.
Tags
CCSS.HSS.ID.A.4
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