Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis H₀: μDD = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are normally distributed. Complete the following table by calculating the differences and the squared differences:

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Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis H₀: μDD = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are normally distributed.

Complete the following table by calculating the differences and the squared differences:
Expert Solution
Step 1
Observation
A
B
Difference Score
Squared Difference Score
(D = B – A)
(D²)
1 12 10
 
 
2 11 12
 
 
3 17 16
 
 
4 10 11
 
 
5 16 18
 
 
 
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