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. Observation A B 4 3. 5. 4. 4 8 For a repeated-measures t test, you need to calculate the t statistic, which requires you to calculate s and SMp: 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: 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.
Observation
A
3.
4
3.
4
4
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)
B.
5.
1.
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: 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. Observation A 3. 4 3. 4 4 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) B. 5. 1.
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