2. The sample mean is both an unbiased and consistent estimator of the population mean.In plain language, describe the meaning of these terms.3. Standard deviationa. Explicitly write out the formula for a sample standard deviation (you can useeither Word’s equation editor or hand write it and paste a screenshot of yourhandwritten formula).b. Using the following table, explicitly calculate the deviation from the mean for thetwo blank boxes where “DIFF from MEAN” = Cancer Death - MEAN.

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2. The sample mean is both an unbiased and consistent estimator of the population mean.
In plain language, describe the meaning of these terms.
3. Standard deviation
a. Explicitly write out the formula for a sample standard deviation (you can use
either Word’s equation editor or hand write it and paste a screenshot of your
handwritten formula).
b. Using the following table, explicitly calculate the deviation from the mean for the
two blank boxes where “DIFF from MEAN” = Cancer Death - MEAN. 

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