Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.

-The variance of the textbook prices,rounded to two decimal places,is:

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Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.
 
-The variance of the textbook prices,rounded to two decimal places,is:

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The Answer of Use the following to answer questions :
The following table gives the frequency distribution of prices for a sample of 30 college textbooks.
 
-The variance of the textbook prices,rounded to two decimal places,is:

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