Measures of Center and Spread

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Standard Deviation?
Back
Standard Deviation is a measure of spread that represents the average distance of each data value from the mean.
2.
FLASHCARD QUESTION
Front
What is the mean of the data set: 21, 31, 26, 24, 28, 26?
Back
The mean is 26.
Tags
CCSS.6.SP.B.5C
3.
FLASHCARD QUESTION
Front
What are Quartiles?
Back
Quartiles are values that divide a data set into four equal parts.
Tags
CCSS.6.SP.B.5C
4.
FLASHCARD QUESTION
Front
What is the Range in a data set?
Back
The Range is the difference between the greatest and least data values.
Tags
CCSS.HSS.ID.A.1
CCSS.6.SP.B.4
5.
FLASHCARD QUESTION
Front
What is an Outlier?
Back
An Outlier is a value in a data set that is much greater or much less than most of the other values.
6.
FLASHCARD QUESTION
Front
How do you calculate the Mean?
Back
To calculate the Mean, add all the data values together and divide by the number of values.
Tags
CCSS.6.SP.B.5C
7.
FLASHCARD QUESTION
Front
What does it mean if a data set has a high Standard Deviation?
Back
A high Standard Deviation indicates that the data values are spread out over a wider range.
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