STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Describe how to find the mean of a data set.
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Multiply the numbers and divide by how many numbers there are.
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Add all the numbers together.
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Add all the numbers together and divide by how many numbers are in the data set.
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Subtract the Smallest number from the Largest Number
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Explanation:
Detailed explanation-1: -The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set. The median is the middle value when a data set is ordered from least to greatest.
Detailed explanation-2: -Mean: The “average” number; found by adding all data points and dividing by the number of data points.
Detailed explanation-3: -The mean of a data set is the sum of the values divided by the number of values.
There is 1 question to complete.