Answer to Question #14645 in Statistics and Probability for pri

Question #14645
1. One sample has n = 4 scores with SS = 100 and a second sample has n = 8 scores with SS = 140. a. Calculate the pooled variance (s2p) for the two samples. b. Calculate the estimated standard error (sM1-M2) for the sample mean difference. c. If the sample mean difference (M1 – M2) is 6 points, is this enough to reject the null hypothesis for a two-tailed test with α = .05? d. If the sample mean difference is 9 points, is this enough to reject the null hypothesis for a two-tailed test with α = .05?
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