After reading this chapter, you should be able to:
- Distinguish between a population mean and sample mean.
- Calculate and interpret the mean, the median, and the mode.
- Calculate and interpret the weighted mean for two or more samples with unequal sample sizes.
- Identify the characteristics of the mean.
- Identify an appropriate measure of central tendency for different distributions and scales of measurement.
- Compute the mean, the median, and the mode using SPSS.