( + 100 A+ XX
0
Х
Х
Х
+
1 3 1 5
8 2 8
Amount of Water
(cups)
Alwt
1
7
8
Part A
Write and evaluate an expression using addition and multiplication to determine the total number of cups of water used by the 12 students
during the experiment
Show or explain each step you used to evaluate the expression.
Enter your expression and your work or explanation in the box provided.
B
i
Ų = EXA

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