Question: Descriptive Statistics Include appropriate units in all answers. a. Find the mean for each of the three groups. b. Find the standard deviation for each

Descriptive Statistics Include appropriate units in all answers.
a. Find the mean for each of the three groups.
b. Find the standard deviation for each of the three groups.
c. Find the variance for each of the three groups.
d. What is the level of measurement of the data (nominal, ordinal, interval, ratio)?

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