Which of the following values is closest to the standard deviation for the set
of data shown below?
99, 78, 56, 11, 43, 22, 16, 31, 49, 28, 37, 29, 30, 38, 34
ОА. 25.9
ООО
) с. 29.3

Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.

(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?