UNIT I: Exploring Data
eTools- 1 Histogram Applet
This link contains an applet that allows the user to change the width of the classes and the starting point of the x-axis. It also overlays a normal curve over the histogram. - 2 Histogram Class-width Applet
This link helps students see how changing the width of the classes of a histogram impacts the shape of the distribution. Graphing Calculator- 3 Finding Standard Deviation "By Hand" Using the TI-83/84
This link contains step-by-step directions on how to use the TI-83/84 and its lists to calculate the standard deviation of a data set by using the standard deviation formula. - 4 How to Construct a Histogram from a Frequency Table on the TI-83/84
This link contains a step-by-step example of how to create a histogram from a frequency table on a TI-83/84. - 5 How to Construct One or More Boxplots on the TI-83/84
This link contains an a step-by-step example of how to construct one or more boxplots on the TI-83/83. - 6 Legal Programs to Make TI-83s have all the Statistical Features of TI-84s
This link contains a page with a zip file containing programs that may be added to students' TI-83s to make them comparable to TI-84s. Tutorials- 7 Boxplot Tutorial
This link contains a tutorial on how to construct and interpret boxplots. - 8 Explanation of a Histogram
This link contains an explanation of what a histogram is, what statistics are used to create a histogram, how to describe a histogram, and examples of some common shapes of histograms. - 9 Mean and Median Tutorial
This link contains a tutorial on how to computer mean and median and when each one is the best measure of central tendency to use. - 10 Measures of Variability Tutorial
This link contains a tutorial on how to compute the range, interquartile range, variance, and standard deviation of a set of data. - 11 Patterns in Data Tutorial
This link contains a tutorial on how to properly describe the shape, center, and spread of a distribution of quantitative data. - 12 Univariate Data Displays Tutorial
This link contains a tutorial on how and when to construct dotplots, histograms, stemplots, and boxplots. Click on the "next lesson" button at the bottom of the page to go on to the next type of graph. - 13 Variables Tutorial
This link contains a tutorial that outlines the different types of variables and gives examples of each.
UNIT II: The Normal Distribution
eTools- 1 Balance Scale Simulation
This link contains an applet that allows the user to draw a histogram and see what the mean, median, and balance point of the distribution are. - 2 Normal Curve Calculator and Graph
This link contains an applet that will calculate the probability and graph the area under the curve if given the mu, sigma, min, and max - 3 Normal Demonstration Applet
Students can change the mean or standard deviation and see the effect on the normal curve. Students can click on the plot to verify that the mean is th ecenter of the curve. Examples- 4 Detailed Examples of Normal Probability Plots and What They Indicate About the Shape of the Distribution
This link contains a page with seven different examples of normal probability plots and an explanation of what each plot indicates about the shape of the distribution. - 5 Notes with Graphs on Density Curves, the Mean and Median of Density Curves, and the 68-95-99.7 Rule
This link contains notes with graphs that explain what density curves are, the relative locations of the mean and median in density curves, and an example of the 68-95-99.7 Rule. Graphing Calculator- 6 How to Find Probabilities Using the Normal Curve on a TI-83/84
This link contains a webpage that shows step-by-step examples of how to use each of the normal probability functions of the TI-83/84 to find probabilities. Tutorials- 7 Explanation of a Normal Probability Plot
This link contains an explanation of what a normal probability plot is, how it is created, and how to interpret a normal probability plot. - 8 Normal Curve Tutorial
This link contains a tutorial on the normal curve and the Empirical Rule. - 9 Probability Density Curve Definition
This link contains a page with the full definition and properties of a probability density curve. Video Segments- 10 Measures of Relative Standing (z-scores and percentiles)
This link contains a Discovery Streaming video segment on finding z-scores, outliers, and percentile rankings (Student Login: hcpss_student, Password: student).
UNIT III: Examining Relationships
UNIT IV: Two-Variable Data
