STATS on calc

STATS on calc - BASICS: USING THE TI-83 CALCULATOR KENKEL...

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BASICS: USING THE TI-83 CALCULATOR KENKEL NOTES: LINK FOR VARIOUS TI CALCULATOR HANDBOOKS: http://education.ti.com/educationportal/appsdelivery/download/ download_select_product.jsp?cid=us&displaymode=G&contentpaneid=17 TURN THE CALCULATOR ON 1. Press ON TURN THE CALCULATOR OFF 1. Press 2ND 2. Press OFF (( OFF is above the ON key) TO ADJUST THE CONTRAST When you turn on the calculator, you may get a blank screen. Probably, you need to adjust the screen contrast. Otherwise, get new batteries. 1. Press 2ND 2. Press up arrow to DARKEN, down arrow to BRIGHTEN HOW THE KEYS WORK 1. Each key has an option on its face. To select this option, just press the key 2. Each key has a second option listed above the key on the left. To select this option, press 2ND , then press the key. 3. Each key has a third option listed above the key on the right. To select this option, press the ALPHA key, then press the key. MOVING AROUND ON A SCREEN Frequently, after pressing a key, a menu of numbered options will appear on the screen. You can move the cursor onto a desired choice by using the UP, DOWN, RIGHT, or LEFT arrows. SELECTING OPTIONS Frequently, after pressing a key, a menu of numbered options will appear on the screen. There are two ways to select your choice: 1. Type the number of your choice OR 2. Move the cursor onto the desired option and press ENTER TO CLEAR THE SCREEN Press CLEAR (You may need to press CLEAR several times.)
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CHAPTER 4: DESCRIPTIVE STATISTICS HOW TO ENTER DATA INTO THE STAT EDITOR The STAT editor is BY FAR the most useful tool for saving time when solving statistics problems. First, we need to learn how to enter data into the STAT editor. Then, we can let the calculator do all the tedious calculations that are required in statistics. Suppose we want to enter the following five values of X into the STAT editor: X 25 10 20 15 5 1. Press the STAT key The screen shows a list of options, and the cursor always highlights option 1: Edit . (This is the default, so the cursor will always start here.) Whenever you want to see the data in the editor or put new data into the editor, select the 1: Edit option. 2. Press ENTER Now the STAT editor appears showing three columns with headings L1, L2, and L3. There are actually six columns for data. By moving the cursor to the right, you can verify this. We want to enter the values of variable X into column L1. (You can put the data into any of the six columns if you wish, but L1 is the default column.). If your screen shows that you already have some values typed into column L1, you need to delete them. To do this, move the cursor onto the L1 symbol at the top of the column and press CLEAR . Then press ENTER . Now the L1 column should be blank. Now we are ready to enter the five values listed above.
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STATS on calc - BASICS: USING THE TI-83 CALCULATOR KENKEL...

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