What is the mean in a data set?
Choosing the Right Measure of Center

Flashcard
•
Mathematics
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The mean is the average of all the numbers in a data set, calculated by adding all the values together and dividing by the number of values.
2.
FLASHCARD QUESTION
Front
When is the mean the best measure of center to use?
Back
The mean is the best measure of center when the data set is symmetrical and has no outliers.
3.
FLASHCARD QUESTION
Front
What is the median in a data set?
Back
The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.
4.
FLASHCARD QUESTION
Front
When should you use the median as a measure of center?
Back
The median should be used when the data set has outliers or is skewed, as it is not affected by extreme values.
5.
FLASHCARD QUESTION
Front
What is the mode in a data set?
Back
The mode is the value that appears most frequently in a data set.
6.
FLASHCARD QUESTION
Front
When is the mode the most useful measure of center?
Back
The mode is most useful for categorical data, where we want to know the most common category.
7.
FLASHCARD QUESTION
Front
What is the range in a data set?
Back
The range is the difference between the highest and lowest values in a data set.
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