I have a data,That has three variables,age,height, weight

I am asked to do the question below

. Create frequency tables with class boundaries for the age 9.5, 19.5, 29.5,

39.5, 49.5, 59.5, 69.5, 79.5 for HT and WT. Find the mean, median,

mode, midrange, range, standard deviation, variance for these frequency

tables. Draw corresponding histograms, frequency polygons, pie charts.

Now here comes the tricky part..

I know how to make a frequency table of a single variable, but I have got no clue ho to make a frequency tables of other two that corresponds to the class boundaries of the corresponding age boundaries.

It is even possible?

I am asked to do the question below

. Create frequency tables with class boundaries for the age 9.5, 19.5, 29.5,

39.5, 49.5, 59.5, 69.5, 79.5 for HT and WT. Find the mean, median,

mode, midrange, range, standard deviation, variance for these frequency

tables. Draw corresponding histograms, frequency polygons, pie charts.

Now here comes the tricky part..

I know how to make a frequency table of a single variable, but I have got no clue ho to make a frequency tables of other two that corresponds to the class boundaries of the corresponding age boundaries.

It is even possible?

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