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### Permutations, Combinations, and Random Numbers on the TI-83 Plus

You can use the TI-83 Plus to evaluate a permutation or combination. A *permutation*, denoted by **nPr**, answers the question: “From a set of **n** different items, how many ways can you select [more…]

### How to Enter Statistical Data on the TI-83 Plus

What you use to enter statistical data into the TI-83 Plus graphing calculator is the Stat List editor — a relatively large spreadsheet that can accommodate up to 20 columns [more…]

### Delete and Edit Statistical Data on the TI-83 Plus

Sooner or later you’ll have to remove or modify the data that you’ve placed in a data list on the TI-83 Plus graphing calculator. The following list shows you how to do so. [more…]

### Create User-Named Data Lists on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to create user-named data lists. To name a data list in the Stat List editor, follow these steps: [more…]

### Use Formulas to Enter Data in the TI-83 Plus

You can use the TI-83 Plus graphing calculator to enter data with formulas. The figure illustrates how you would place the sequence 10, 20, . . ., 200 in list [more…]

### Save and Recall Data Lists on the TI-83 Plus

Saving your data lists on the TI-83 Plus graphing calculator is the first step in the direction of calling them up again when you want to use or change them. The following list shows you how to do so: [more…]

### How to Sort Data Lists on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to sort your statistical data that appears on your data lists. To sort data lists, follow these steps: [more…]

### How to Constructing a Box Plot on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to construct a box plot of the data you have entered. To construct a box plot of your data, follow these steps: [more…]

### Plot Two-Variable Data on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to plot two-variable data. The most common plots used to graph two-variable data sets are the *scatter plot* [more…]

### Trace Statistical Data Plots on the TI-83 Plus

Before tracing a statistical data plot on the TI-83 Plus, press **[2nd][ZOOM]** and, if necessary, highlight the **CoordOn**in the second line of the Format menu and highlight [more…]

### Analyze One-Variable Statistical Data on the TI-83 Plus

The TI-83 Plus graphing calculator can perform one- and two-variable statistical data analysis. For one-variable data analysis, the statistical data variable is denoted by [more…]

### Analyze Two-Variable Statistical Data on the TI-83 Plus

The TI-83 Plus graphing calculator can perform one- and two-variable statistical data analysis. For two-variable data analysis, the data variable for the first data list is denoted by [more…]

### Compute a Regression Model on the TI-83 Plus

*Regression modeling* is the process of finding a function that approximates the relationship between the two variables in two data lists. To compute a regression model for your two-variable data on the [more…]

### How to Construct a Histogram on the TI-83 Plus

You can use the TI-83 Plus graphing calculator to construct a histogram of the data you have entered. To construct a histogram of your data, follow these steps: [more…]