sample of 35 gas grills has a mean price of $637.50 and a standard deviation of $59.30?
Posted by admin
hunkyscutie asked:
you are given the sample mean and the sample standard deviation. use this information to construct the 90% and 95% confidence intervals for the population mean.
you are given the sample mean and the sample standard deviation. use this information to construct the 90% and 95% confidence intervals for the population mean.
a sample of 35 gas grills has a mean price of $637.50 and a standard deviation of $59.30.
the 90% confidence interval is ___________ ______________
the 95% confidence interval is ___________ ______________
Outdoor Fireplace Kits











September 8th, 2010 at 9:21 pm
Sample…………….35
Stdev………………..59.3
Mean………………..637.5
Z-score…………….1.645
Standard error….10.02352946
Margin of error….16.48870596
CI (90%)……………621.01 to 653.99
Sample…………….35
Stdev……………….59.3
Mean………………..637.5
Z-score…………….1.96
Standard error….10.02352946
Margin of error….19.64611774
CI (95%)……………617.85 to 657.15