To find critical value, when do you use t-table instead of z? Question 1 options
ID: 3065930 • Letter: T
Question
To find critical value, when do you use t-table instead of z?
Question 1 options:
When population mean is unknown but sample mean is known
None of the given answers are correct.
When sample mean is unknown but population mean is known
When population variance is unknown but sample variance is known
When population standard deviation is known but sample standard deviation is unknown.
When population mean is unknown but sample mean is known
None of the given answers are correct.
When sample mean is unknown but population mean is known
When population variance is unknown but sample variance is known
When population standard deviation is known but sample standard deviation is unknown.
Explanation / Answer
Option-D) When population variance is unknown but sample variance is known