It would be D I hope this helps
Answer:7 2/9
Step-by-step explanation:Add the whole numbers together and if the denominator is the same u can just add the numerator
Answer:
approximately at 4, -1
Step-by-step explanation:
Answer:
It might be independent t-test.
Step-by-step explanation:
Basically it is a independent t- test .Independent sample test t - test or student test is a statistical test.In this test we determine that there is a statistically significant difference between the mean when we are talking about unrelated group.
We are taking alternative and null hypothesis t- test
In null hypothesis we see that population of two unrelated groups are equal
H₀: u1 = u2
if we reject the hypothesis and accept the alternative hypothesis than population means
H₁: u1 ≠ u2
In this test we need a significance level that is also called alpha level who reject or accept the null hypothesis.
