After reading Chapter 7, you will be able to:

• Explain how we can summarize a set of data to better understand it.
• Understand how the measures of central tendency of a distribution (mean, median, and mode) differ.
• Explain how inferential statistics allow us to learn about populations from the data collected from a sample.
• Explain how we make hypotheses about populations.
• Explain what we can learn from significance testing.