Hypothesis Testing of Two Means and Two Proportions: …

Left-handed Right-handed Sample size 41 41 Sample mean 97.5 98.1 Sample standard deviation 17.5 19.2 Two independent means, normal distribution. Two independent means, student-t distribution. Matched or paired samples, student-t distribution. Two population proportions, normal distribution. For questions 42 – 43, use the following information. ................
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