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Given the scores 2, 4, 4, 7, 8:
(a) Calculate sX by the raw-score formula.
(b) Calculate t required to test H0: X 8.0 versus HA: X 8.0.
(c) Evaluate t for .05 and state your conclusions.
(d) Evaluate t for .01 and state your conclusions.
Statistics and Probability, Statistics
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