Statistics Review
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Interquartile Range (IQR)?
Back
The Interquartile Range (IQR) is a measure of statistical dispersion, calculated as the difference between the third quartile (Q3) and the first quartile (Q1) of a data set.
2.
FLASHCARD QUESTION
Front
How do you calculate the mean of a data set?
Back
To calculate the mean, sum all the data points and then divide by the number of data points.
3.
FLASHCARD QUESTION
Front
If the mean of a data set is 20 and the sum of all data points is 200, how many data points are in the set?
Back
10 data points.
4.
FLASHCARD QUESTION
Front
What is the mode of a data set?
Back
The mode is the value that appears most frequently in a data set.
5.
FLASHCARD QUESTION
Front
How do you calculate the median of a data set?
Back
To find the median, arrange the data points in ascending order and identify the middle value. If there is an even number of data points, the median is the average of the two middle values.
6.
FLASHCARD QUESTION
Front
What is a data set?
Back
A data set is a collection of related data points or values.
7.
FLASHCARD QUESTION
Front
What is the range of a data set?
Back
The range is the difference between the highest and lowest values in a data set.
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