1 answer:
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Answer:
x = 24
y = 10
z = 17
Explanation:
It's long to explain, so heres a picture of how solved each. hope this helps!! :)
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: