Millions of Americans work from offices in their homes. Following is a sample of age data for individuals who work at home.
18 54 20 46 25 48 53 27
40 36 42 25 27 33 28
1. Compute the mean, median and mode?
2. The median age of the population of all adults is 36 years (The World Almanac, 2006)
Use the median age of the preceding data to comment on whether the at-home workers tend to be younger or older than the population of all adults
3. Compute the sample variance and sample standard deviation.