Section 2.1: Overview

1. Distinguish between descriptive and inferential statistics.

Section 2.2: Frequency Distributions

1. Construct a frequency distribution given a (small) data set.

Section 2.3: Visualizing Data

1. Construct a rug plot given a (small) data set. Note: rug plots are not covered in the text. See here for a reminder about rug plots.
2. Construct a dot plot by hand given a (small) data set.
3. Construct a histogram by hand given a (small) data set.
4. Use frequency distributions, rug plots, dot plots, and histograms to compare data from two or more groups.
5. Construct dot plots and histograms using Minitab.

Section 2.4: Measures of Center

1. Given a histogram for a data set, eyeball the mean.
2. Compute the mean given a (small) data set.
3. Given a histogram for a data set, eyeball the median.
4. Compute the median given a (small) data set.
5. Explain why the median is less sensitive to outliers in a data set than the mean.
6. Compute the means and medians of a data set using Minitab.

Section 2.7: Exploratory Data Analysis

1. Identify the “5 number summary” that is used to construct a boxplot.
2. Construct a boxplot given a 5 number summary of a data set.
3. Given a set of boxplots and a set of density curves (histograms), match up the boxplots to the density curves.
4. Define an outlier, and provide one method for identifying outliers in a data set.