2.99 See Answer

Question: The file McDonaldsStores contains the number of


The file McDonaldsStores contains the number of McDonald’s stores located in each of the 50 U.S. states and the District of Columbia, as of December 31, 2016:
Source: Data extracted from bit.ly/2qJjFpF.
a. Compute the mean, variance, and standard deviation for this population.
b. What percentage of the 50 states have a number of McDonald’s stores within {1, {2, or {3 standard deviations of the mean?
c. Compare your findings with what would be expected on the basis of the empirical rule. Are you surprised at the results in (b)?

2.99

See Answer