Question

1. The May 1, 2009, issue of The Montclarian reported the following sales figures (S 1000s) for a sample of homes in Alameda, California, that were sold the previous month: 590 815 575 608 350 1285 408 540 555 679 a. Calculate and interpret the sample mean and median. b. Suppose the sixth observation had been 985 rather than 1285. How would the mean and me- dian change? C. Calculate a 20% trimmed mean by first trimming the two smallest and two largest observations. d. Calculate a l 5% trimmed mean.

Answer 1