For a Repeated-Measures Study Comparing Two Treatments with a Sample

question 75

Multiple Choice

For a repeated-measures study comparing two treatments with a sample of n = 9 participants,the difference scores have a mean of M_D = 4.90 with SS = 288.What is the estimated standard error for the sample mean difference?​

• A)​36
• B)​36/8 = 4.5
• C)​4
• D)​2

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