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.
Mr.Jackson is incorrect because 0.75 is per pound it's not whats added onto 8 pounds
Answer: 0.5 and 0.25
Step-by-step explanation: You have to divide the number by 2 to get to the next term.
3(x)=6
3(2)=6
which says 6=6