Question

Construct the indicated confidence interval for the population mean

muμ

using a​ t-distribution.

cequals=0.9595​,

x overbarxequals=105105​,

sequals=1010​,

nequals=15

Answer 1

Hi, Please check the values are correct or not as in question values are not properly stated. DO THE COMMENT FOR ANY CHANGE IN VALUE I WILL EDIT MY ANSWER.Thank You!

ci=0.95

x bar=105

standard deviation=10

n=15

Using excel<data<megastat<confidence intervals

Here is the output:

95%	confidence level
105	mean
10	std. dev.
15	n
2.145	t (df = 14)
5.538	margin of error
99.462	lower confidence limit
110.538	upper confidence limit

Confidence interval 99.462<u<110.538