Scroll down to DiagnosticOn and press Enter twice Correlation

Stat 1040

Correlation

Using a TI-83 or TI-84 to find the correlation coefficient

Calculator Helps - Correlation

Step 1: Turn on Stat Diagnostics

? On a TI-83 or older TI-84 (Start with a clear screen.)

? Press

to access the Catalog

? Scroll down to DiagnosticOn and press Enter twice

? Press

to quickly skip down to D, then use the

down cursor several times to get to

? Press

twice.

Step 1: Turn on Stat Diagnostics

? On a newer TI-84, press MODE, scroll down

? Next to STAT DIAGNOSTICS: make sure the word ON is blinking and press .

? Press

to get back to the home screen.

? NOTE: You only need to do this step once. Your calculator will remember the settings.

Step 2: Enter your data

? Enter the x-values into L1 (List 1) ? Enter the y-values into L2 (List 2) ? (Remember to clear the lists first.)

Step 3: Calculate the correlation

? Press STAT > CALC ? Choose

Differences

TI-83 and older TI-84

? On an older calculator, when you choose

you will see this

Newer TI-84

? On an older calculator, when you choose

you will see this

? Press

again to see

the results.

? Press 5 times to see the results.

Interpreting the results

? The last number listed in the results is the correlation coefficient, r.

1

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download