Show frequency tables, Mathematics

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Q. Show Frequency Tables?

Ans.

A frequency table is used to show how often a piece of data occurs.

Example: Michelle decides to keep track of the number of phone calls she gets in one week. She records the information in a frequency table. Find the mean number of phone calls Michelle receives in a day.

 

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Solution: The mean is given by

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The mean number of phone calls Michelle receives in one day is 6.5.


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