Compute a z-score for a single score
Although you can compute a z-score for a single score (a sample of n=1) it is impossible to compute a t statistic for a sample that has only one score. Explain why.
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To find the sample size needed for a hypothesis test, if Ho: mu=10, Ha: mu<10, sigma is unknown, alpha = 0.01, beta = 0.05 and E = 0.80(sigma), find:
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An ANOVA table for multiple regression has the required information to compute the coefficient of multiple determination.
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