Greetings! Hope this helps!
Answer
D {-3, 5}
R: {0,4}
Have a good day!
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A brainliest would help tons! :D
I would say C because D has multiplication instead of adding in the parenthesis and I don't think that is the "basic" way
A null hypothesis is a statement where there is no association between the two groups you're talking about.
The answer is 820 (520+300)