The most frequently used measures of central tendency for quantitative data are the mean and the median. The following table shows civil service examination scores from 24 applicants to law […]
Standard deviation
Standard deviation
Use the free version of SPSS to review, demonstrate, and execute the following functions: 1. Enter the following data: Case 1: Age 24. Weight 165. Gender Male. Pretest […]
Standard deviation
The Acme Battery Company has developed a new cell phone battery. On average, the battery lasts 60 minutes on a single charge. The standard deviation is 4 minutes. Suppose the […]
Standard deviation
The standard deviation on the rate of return on an investment is a measure of its volatility, or risk. What would a standard deviation of zero mean? What would a […]