Calculate the mean and standard error for the following sample, 28, 32, 35, 65,

Question

Calculate the mean and standard error for the following sample, 28, 32, 35, 65, 48, 33, 48, 48, 52. Is the null hypothesis of the true mean 23 true or false according to a one-tailed t-test assuming the sample's mean is greater than the null hypothesis with an alpha level of 0.01. Tip: once you enter in data for the y, use the following R comand: t.test(y.A, mu =23, alternative = alternativeoption), where alternativeoption is either two.sided, greater, or less (in quotes), depdending on the question text.

True or False?

Explanation / Answer

Calculate the mean and standard error for the following sample, 28, 32, 35, 65,

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