What symbols should be used to represent the values

Reference no: EM131416831

The cholest dataset on the companion website includes cholesterol levels measured for 28 heart attack patients 2 days after their attacks. The sample mean for this sample is 253.9, and the standard deviation is 47.7.

a. Assuming that this was a sample from a larger population of heart attack patients, what symbols should be used to represent the values given for the mean and standard deviation?

b. Calculate the standard error of the sample mean.

Reference no: EM131416831

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