A research is interested in finding a 99% confidence interval for the population mean of X. A sample of the size 51 has the mean 3.5 and the standard deviation of the sample was 2.8. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a ? distribution. c. With 99% confidence the population mean of X is between and Round answers to

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You should find the critical value from the ztable(https://ma336.qccmathcs.com/ztable.html) Bor the
ttable(https://ma336.qccmathcs.com/ztable.html) 2
To avoid any rounding off error, please compute at 2 more digits before rounding off.
A research is interested in finding a 99% confidence interval for the population mean of X. A
sample of the size 51 has the mean 3.5 and the standard deviation of the sample was 2.8. Round
answers to 3 decimal places where possible.
a. To compute the confidence interval use a
- distribution.
c. With 99% confidence the population mean of X is between
and
Round answers to
3 decimal places where possible.
Transcribed Image Text:You should find the critical value from the ztable(https://ma336.qccmathcs.com/ztable.html) Bor the ttable(https://ma336.qccmathcs.com/ztable.html) 2 To avoid any rounding off error, please compute at 2 more digits before rounding off. A research is interested in finding a 99% confidence interval for the population mean of X. A sample of the size 51 has the mean 3.5 and the standard deviation of the sample was 2.8. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a - distribution. c. With 99% confidence the population mean of X is between and Round answers to 3 decimal places where possible.
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