Answer:
78.46
Step-by-step explanation:
Given that
Pop. Standard deviation = 1.61
Sample standard deviation = 2.15
Sample mean = 7.47
Sample size = 45
Recall that
Test stat for chi square
= (n - 1) (sample standard dev/pop standard dev)^2
= 45 - 1 (2.15/1.61)^2
= 44(1.3354)^2
= 44 × 1.78329
= 78.46
Answer:
10=19-11
Step-by-step explanation:
that answer is false because 19-11 = 8 not 10
Answer:
B. <u>x</u><u><</u><u> </u>-3
hope it helps.
<h3>stay safe healthy and happy.</h3>
Answer:
the one on the left (the first one)
Answer:
C
Step-by-step explanation: