Examine the formula for the chi-square statistic X^2. a. If two samples are identical, what is the value of X^2? Justify your answer.
b. Why is it necessary to square the difference O - E? Justify your answer by giving an example of what happens if you do not.

Which functions shave a maximum and are transformed to the left and down of the parent function ,check all that apply f(x) = x2? p(x) =14 (x+7)2 + 1

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.