The Mean and Standard deviation of the numbers:

The mean of Male drinking water for last week:

Mean = 5.85

Standard deviation = 4.25

Median = 5

Mode = 2

The 90% confidence interval of the mean =

The mean of Female drinking water for last week:

Mean= 9.63

Standard deviation = 9.54

Median = 7

Mode = 3,7

The 90% confidence interval of the mean =

Please help calculate the 90% confidence interval of the mean for both Male and Female.