1. The prices of 12 randomly chosen homes in dollars (approximated to nearest thousand) in a growing region of Tampa in the summer of 2002 are given below.
176 105 133 140 305 215 207 210 173 150 78 96
Find the mean and standard deviation of the sampled home prices from this area.
2. The following is a sample of nine mortgage companies' interest rates for 30-year home mortgages, assuming 5% down.
7.625 7.500 6.625 7.625 6.625 6.875 7.375 5.375 7.500
(a) Find the mean and standard deviation and interpret.
(b) Find lower and upper quartiles, median, and interquartile range. Check for any outliers and interpret.