X 25
50
175
1100
1125
150
175
у
150
(178
216
265
1323
392
1470.4
a.
Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest
thousdandths place.
y = 7.821x2 - 0.936x - 94.034
b. y=-7.821x? +0.936x - 94.034
y = 0.008x2 +0.518x + 131.886
d. y = 0.008x2 - 0.518x - 131.886
C.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true