Answer:
Proved Below
Step-by-step explanation:

Hence, Proved that
is equivalent to
.
7.675 inches of rain was the total amount in the two weeks
I used similarities in triangles
Answer:
0.09 average effect
Step-by-step explanation:
Given that the t statistics = 1.54
Sample size (n) = 25
Therefore, variance = t²/n
Variance = 1.54²/25
Variance = 2.372/25
Variance = 0.09