Using the data from question 2, you can compute the mean food and lodging cost of a 10-day vacation by multiplying the per-day mean by 10. The standard deviation for the 10-day vacation can be found by multiplying by 10 also.
a. What is the mean for food and lodging for a 10-day vacation?
b. What is the standard deviation of the distribution for the 10-day vacation?
c. What is the variance of the distribution for the 10-day vacation?