Please help meeeeeeeeeeeeeeeee
1 answer:
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Answer:
Below is the solution to the given points:
Step-by-step explanation:
For point a:
There have 30 overviews paired here and we'd like to analyze the mean studying time in the middle and final periods. It will employ a paired t-test. The difference (d) = mid - final
Hypotheses:
For point b:
More than three variables should be examined here because ANOVA is employed in one method.
For point c:
This one Z test is used since we have the standard difference in population.
Hypotheses:
For point d:
Since not knowing the sample standard deviation, we will use an individual sample t-test.
Hypotheses:
Answer:
Step-by-step explanation:
add 7x on both sides. it cancels out.
(obviously this isnt a true statement but idrk if ur supposed to get one)