4. The profits from selling T-shirts at store A are shown in the graph. The profit y for
selling x T-shirts at store B is represented by
the equation y = 3.75r. Which of the
following statements is true?
120
Profit ($)
40
F. Store A made a greater profit per T-shirt.
G. Store B made a greater profit per T-shirt.
H. Store A made a profit of $3.50 per
T-shirt
L. Store B made a profit of $4 per T-shirt.
0
10
30
Number Sold

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