Question

In chapter statistics, what is A, h, & ui, what are their uses? Please explain.....

Answer 1

h is common factor and a is assumed mean

Answer 2

A is assumed mean, it means u have to suppose this number.
H means height, which is difference between lower limit and upper limit.
ui =xi-a/h,
these three are uses in the formula of mean.

u can see formula in your book.
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