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.

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

m∠a is 90°

m∠b is 40°

add a pic of the graph, then ill edit this "answer" and solve it for you : 3

step-by-step explanation: