The Fonex Real Estate Company has 20 listings for homes in Accra, Ghana. The number of days each house has been on the market without selling is as follows: a. Considering these 20 values to be the population of interest, what is the mean of the population? b. The company is making a sales brochure and wishes to feature 5 homes selected at random from the list. The number of days the 5 sampled homes have been on the market is If these 5 houses were used to estimate the mean for all 20 , what would the sampling error be? c. What is the range of possible sampling error if 5 homes are selected at random from the population