Normal Distribution
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a normal distribution?
Back
A normal distribution is a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.
2.
FLASHCARD QUESTION
Front
What does the empirical rule state about data within 1 standard deviation?
Back
According to the empirical rule, approximately 68% of the data falls within 1 standard deviation of the mean in a normal distribution.
Tags
CCSS.HSS.ID.A.4
3.
FLASHCARD QUESTION
Front
What does it mean if a graph is skewed left?
Back
A left-skewed graph has a longer tail on the left side, indicating that the majority of the data points are concentrated on the right.
4.
FLASHCARD QUESTION
Front
What does it mean if a graph is skewed right?
Back
A right-skewed graph has a longer tail on the right side, indicating that the majority of the data points are concentrated on the left.
5.
FLASHCARD QUESTION
Front
According to the empirical rule, what percentage of data falls within 2 standard deviations?
Back
According to the empirical rule, approximately 95% of the data falls within 2 standard deviations of the mean.
Tags
CCSS.HSS.ID.A.4
6.
FLASHCARD QUESTION
Front
According to the empirical rule, how much of the data falls within 3 standard deviations?
Back
According to the empirical rule, approximately 99.7% of the data falls within 3 standard deviations of the mean.
Tags
CCSS.HSS.ID.A.4
7.
FLASHCARD QUESTION
Front
What is the mean in a normal distribution?
Back
The mean is the average of all data points and is located at the center of a normal distribution curve.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
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