Select all the assumptions and conditions that are required to carry out a paire

Question

Select all the assumptions and conditions that are required to carry out a paired t-test on two groups of data collected from a single random sample:

the data values between the groups are paired the differences between the paired population data are independent the groups of data are independent the population standard deviation of the differences between the paired data values is known the differences between the paired population data are normally distributed the groups of data are normally distributed

Explanation / Answer

Data values between the groups are paired

groups of data are independent

the groups of data are normally distributed

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