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A data set on the political contributions (rounded to the nearest dollar) made during the past...

A data set on the political contributions (rounded to the nearest dollar) made during the past year by 200 households has a lowest value of $1 and a highest value of $683.  Suppose we want to group these data into seven classes of equal widths.  a. Assuming we take the lower limit of the first class as $1 and the width of each class equal to $100, write the class limits for all seven classes.  b. Write the class boundaries and class midpoints.

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