A researcher is studying the annual household income of residents of a small city in Arkansas. He finds the following information from a sample of residents: sample mean: $37,000 sample median: $38, 700 sample standard deviation: $11,000
Based upon the sample information, what incomes sit at the plus and minus one standard deviation positions?
Based upon the sample information, what income sits at plus 1.5 standard deviations?
Based upon the sample information, what income sits at minus 1.37 standard deviations?