Stat 202 Objectives
From Sean_Carver
By the end of the course, students will be able to ...
Contents
Chapter 1
- Given a data table and the story behind the data, identify the cases and list the variables.
- Identify a variable as either nominal, ordinal, identifier, binary, or quantitative.
Chapter 2
- Define and report the distribution of a categorical variable.
- Be able to convert between frequency, relative frequency, and percent.
- Tell when two plots of categorical data show the same distribution.
Chapter 3
- Define distribution of a quantitative variable.
- Create stem and leaf displays from data.
- Tell from a histogram whether a distribution is symmetric or left or right skewed.
- Tell whether a histogram is uniform, unimodal, bimodal, or multimodal and why.
- Tell whether a histogram shows outliers, or gaps.
- Describe how to compute the median.
- Describe how to compute the mean.
- Describe how to compute the lower and upper quartiles and the interquartile range (IQR).
- Describe how to compute the standard deviation.
- For summary statistics, describe the difference between resistant to outliers and sensitive to outliers.
- Compute the 5-number summary of data.
- Given data, compute the value for a specific percentile.
- Given data, compute the percentile for a specific value.
Chapter 4
- Comparing boxplots across groups, tell which groups have the greatest, and least, medians.
- Comparing boxplots across groups, tell which groups have the greatest, and least, interquartile range.
- Comparing histograms across groups, tell which groups have the greatest, and least spread (standard deviation).
