Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho, HD - 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. A B 13 Observation 1 2 3 4 3 7. 4 4 4 5 8 For a repeated-measures t test, you need to calculate the t statistic, which requires you to calculate s and SMD: What is the estimated standard deviation of the difference scores? (four decimals)

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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 Ho, Hp - 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.
A B
1 3
Observation
1
3
4
5
7
4
4
5
8 9
For a repeated-measures t test, you need to calculate the t statistic, which requires you to calculate s and SMD" What is the estimated standard
deviation of the difference scores? (four decimals)
3.
Transcribed Image Text:Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho, Hp - 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. A B 1 3 Observation 1 3 4 5 7 4 4 5 8 9 For a repeated-measures t test, you need to calculate the t statistic, which requires you to calculate s and SMD" What is the estimated standard deviation of the difference scores? (four decimals) 3.
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