Answer: (15.47, 24.53)
Step-by-step explanation:
We know that the confidence interval for population mean is given by :_

, where n= sample size.
= standard deviation.
= sample mean.
z*= Critical value.
Given : n= 450


Critical value for 95% confidence = z*=1.96 [From z-value table]
Then, the 95% confidence interval will be :-




Hence, the 95% confidence interval for the mean change in score μ μ in the population of all high school seniors. : (15.47, 24.53)
Well depending on how much he asked for can you please give more details
Answer:
"a quotient of a number and 6" refers to n6 or n÷6 .
Step-by-step explanation:
r. Let's let n be the "number". Therefore, "a quotient of a number and 6" refers to n6 or n÷6 .