COMPUTER ASSIGNMENT.

COMPUTER
ASSIGNMENT
DATA SET: 182
STUDENT ID:
[Pick the date]

DATA SET: 182
Question 1
95% confidence interval for overtime of employee work needs to be determined.
It is apparent that population standard deviation is not given and hence, t value would be
taken into account in place of z value.
It can be said with 95% confidence that the mean amount of overtime that employees work
for each week would fall within the interval 4.24 hours and 6.26 hours.
Question 2
Hypothesis testing
Claim: Average employee is older than 30 years old.
It is apparent that population standard deviation is not given and hence, t value would be
taken into account in place of z value.
2