Create a 10-item data set that is interval or ratio in scale of measurement and that you might use in your daily life (for example, height in inches of 10 people, hours of sleep, scores on their statistics quiz). Use SPSS or hand calculations to calculate the mean and standard deviation.
Create a second 10-item data set that is nominal in scale of measurement that you might use in your daily life (for example, color of 10 cars, favorite sports teams, favorite restaurants). What is the mode?
Why does scale of measurement matter in determining which measures of central tendency and variability are appropriate? In what ways do you use statistics in your daily life that you might not previously have realized?
Sample Solution
