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A survey was conducted to find out the monthly expenditure on groceries of ...

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A survey was conducted to find out the monthly expenditure on groceries of 30 households. 

The data (in rials) are as follows:

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(a)   Organize the data into a frequency distribution table with class intervals of width 50 rials.

(b)   Draw a histogram of the data.

(c)   Compute the mean monthly expenditure on groceries.

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