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### How to Use Formulas to Enter Data in the TI-84 Plus

Use can use formulas to enter statistical data in the TI-84 Plus calculator. The image here illustrates how you would place the sequence 10, 20, ..., 200 in list [more…]

### How to Work with Probabilities on the TI-84 Plus

You can use the TI-84 Plus graphing calculator to calculate probabilities such as permutations and combinations and to generate random integers and decimals. Do you need to calculate the number of ways [more…]

### How to Start and Quit Probability Simulation on the TI-84 Plus

With the Probability Simulation application that comes preloaded on the TI-84 Plus family of calculators, you can simulate many common activities, like rolling dice. As the application performs simulations [more…]

### How to Use Probability Simulation on the TI-84 Plus

Before you toss coins, roll dice, pick marbles, spin spinners, or draw cards, you need to know how to access the commands at the bottom of the TI-84 Plus Probability Simulation screen, how to seed the [more…]

### How to Simulate Rolling Dice on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus calculator can simulate rolling from one to three dice at a time. It can even roll weighted dice. When rolling only one die at a time, the application [more…]

### How to Save Probability Simulation Data on the TI-84

The data that appears in any Probability Simulation table on the TI-84 Plus can be saved to lists so that you can, after exiting the application, statistically analyze this data. [more…]

### How to Delete and Edit Data on the TI-84 Plus

Sooner or later you’ll have to remove or modify the statistical data that you’ve placed in a data list in the TI-84 Plus calculator. The following list shows you how to do so: [more…]

### How to Construct a Box Plot on the TI-84 Plus

You can use the TI-84 Plus to create a box plot. A *box plot* consists of a box-with-whiskers. The box represents the data existing between the first and third quartiles. The box is divided into two parts [more…]

### Probability Simulation Settings Editor on the TI-84 Plus

The Probability Simulation on the TI-84 Plus application contains four simulators (Tossing Coins, Rolling Dice, Picking Marbles form an urn, and Spinning a Spinner) that work much the same way. Some information [more…]

### How to Simulate Tossing Coins on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus graphing calculator can simulate tossing from one to three coins at a time. It can even toss weighted coins. When tossing only one coin at a time [more…]

### How to Simulate Picking Marbles on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate picking one marble at a time from an urn that contains from two to five different types [more…]

### How to Simulate Spinning Spinners on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate spinning a spinner that is divided into two to eight sections of equal or unequal areas. It will not simulate the spinner landing on [more…]

### How to Simulate Drawing Cards on the TI-84 Plus

The Probability Simulation application on the TI-84 Plus can simulate drawing a card from one to three decks of cards. It even allows you to specify whether or not the card is placed back in the deck before [more…]

### How to Enter Statistical Data in the TI-84 Plus

What you use to enter statistical data into the TI-84 Plus calculator is the Stat List editor — a relatively large spreadsheet that can accommodate up to 20 columns [more…]

### Save and Recall Data Lists in the TI-84 Plus

Saving your data lists in the TI-84 Plus 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-84 Plus

The TI-84 Plus graphing calculator has many features that provide information about the data that has been entered in the calculator. You will accumulate a lot of data and will need to be able to sort [more…]

### How to Create User-Named Data Lists on the TI-84 Plus

You can name your own data lists in the TI-84 Plus calculator by using the Stat List editor. To name a data list in the Stat List editor, follow these steps: [more…]

### How to Construct Histograms on the TI-84 Plus

You can use the TI-84 Plus to create histograms. The most common plots used to graph one-variable data are histograms and box plots. In a *histogram,* the data is grouped into classes of equal size; a bar [more…]

### How to Plot Two-Variable Data on the TI-84 Plus

You can use the TI-84 to construct scatter plots and *xy*-line plots. The most common plots used to graph two-variable data sets are the scatter plot and the [more…]

### How to Trace Statistical Data Plots on the TI-84

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

### How to Analyze Statistical Data on the TI-84

The TI-84 Plus calculator can perform one- and two-variable statistical data analysis. For one-variable data analysis, the statistical data variable is denoted by [more…]

### Regression Modeling on the TI-84 Plus

You can use the TI-84 Plus for *regression modeling*, which is the process of finding a function that approximates the relationship between the two variables in two data lists. Following are the types of [more…]

### How to Analyze Statistical Data on the TI-84

The TI-84 Plus calculator can perform one- and two-variable statistical data analysis. For one-variable data analysis, the statistical data variable is denoted by [more…]

### How to Evaluate Factorials on the TI-84 Plus

Did you know you can type an exclamation point on your TI-84 Plus calculator? Mathematically, the exclamation point is called a *factorial.* Usually students learn about factorials in pre-algebra and then [more…]

### Permutations and Combinations and the TI-84 Plus

You can work permutations and combinations on the TI-84 Plus calculator. A *permutation,* denoted by **nPr**, answers the question: “From a set of **n** different items, how many ways can you select [more…]