The mean age of six persons is 46 years. The ages of five of these six persons are 57, 39, 44, 51, and 37 years, respectively. Find the age of the sixth person.
Answer to relevant QuestionsUsing an example, show how outliers can affect the value of the mean. The following data give the prices (in thousands of dollars) of 20 houses sold recently in a city. Find the 20% trimmed mean for this data set. The following data set belongs to a population: Calculate the range, variance, and standard deviation. Refer to Exercise 3.24, which listed the number of women from each of 12 countries who were on the Rolex Women’s World Golf Rankings Top 50 list as of July 18, 2011. Those data are reproduced here: Calculate the range, ...The SAT scores of 100 students have a mean of 975 and a standard deviation of 105. The GPAs of the same 100 students have a mean of 3.16 and a standard deviation of .22. Is the relative variation in SAT scores larger or ...
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