Answer: a) 27.5, b) 5.33.
Step-by-step explanation:
Since we have given that

and n = 180
We need to calculate the sample mean and sample standard deviation.
So, the mean of the distribution of sample means is

The standard deviation of the distribution of sample means is

Hence, a) 27.5, b) 5.33.
Answer:
Step-by-step explanation:
Answer:
the value of both expressions when t = 3 is 33
the value of both expressions when t = 6 is 51
Step-by-step explanation:
33 33
51 51