A data set of monthly expenditures (rounded to the nearest dollar) incurred at coffee shops by a sample of 500
households has a minimum value of $14 and a maximum value of $246. Suppose we want to group these data
into six classes of equal widths.
Assuming we take the lower limit of the first class as $1 and the upper limit of the sixth class as $246,
determine the class limits, boundaries, and midpoints for a grouped quantitative data table.
Hint: To determine the class width, divide upper limit of the sixth class (246) by the number of classes (6).