Answer:
x = 9
Step-by-step explanation:
Since both points share the same x-coordinate, look no further.
It has to be a vertical line with x-coordinate 9.
Answer: The goodness-of fit chi square test
Step-by-step explanation:
Answer:
k=9
Step-by-step explanation:

I'm not quite sure, you should be able to divide the original number by 1
The answer is C
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