Answer:
Read Below
Step-by-step explanation:
5 + 19 = d
= 19 + 5 = 74
I belive it would be 12x + 12y
Answer:
The value of the test statistic is 
Step-by-step explanation:
The formula for the test statistic is:

In which X is the statistic,
is the mean,
is the standard deviation and n is the number of observations.
In this problem, we have that:

So



The value of the test statistic is 