One sample has n = 8 scores with SS = 45 and the second sample has n = 4 scores with SS = 15.
In another set, one sample has n = 8 scores with SS = 150 and the second sample n = 4 scores with SS = 90.
How to calculate expected difference between the samples means, and how does larger variability affect the size of the standard errorfor the sample meandifference?
The solution provides step by step method for the calculation of standard error. Formula for the calculation and Interpretations of the results are also included.