Statistics: Review
Today you will review the topics that you’ve learned in this unit. Read through the list of topics from this unit. Make sure you feel confident about each of them before taking the unit test. If there are any topics that you forget or think you need to practice, go back and review those lessons now.
Describe how statistics helps you gain information about a population from a sample.
Determine whether generalizations made about a population using a sample are valid.
Identify whether a sample is representative or biased.
Use data from a random sample to draw inferences about a population with an unknown characteristic of interest.
Determine the measures of center (mean, median, mode) of a quantitative data set or data in a display.
Determine the measures of variability (range) of a quantitative data set or data in a display.
Use measures of center and variability to draw informal comparative inferences about two populations.
Informally assess the degree of visual overlap of two numerical data distributions with similar variabilities.
For two numerical data distributions with similar variabilities, measure the difference between the centers by expressing it as a multiple of a measure of variability.
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