## How do you find the critical correlation coefficient on a TI-84?

TI-84: Correlation Coefficient

- To view the Correlation Coefficient, turn on “DiaGnosticOn” [2nd] “Catalog” (above the ‘0’). Scroll to DiaGnosticOn. [Enter] [Enter] again.
- Now you will be able to see the ‘r’ and ‘r^2’ values. Note: Go to [STAT] “CALC” “8:” [ENTER] to view. Previous Article. Next Article.

**How do you use an InvT?**

Please refer to the instructions provided below.

- Press [2nd][DISTR]
- Select 4:InvT(
- Enter a scalar or list of values at which to evaluate the t inverse and a scalar value for degrees of freedom separated with a comma. ‘
- Press [ENTER] to display the answer of 0.4975567034.

### How do you do t-test on TI-84?

How to Perform a One Sample t-test on a TI-84 Calculator

- Step 1: Select T-Test. Press Stat. Scroll over to TESTS.
- Step 2: Fill in the necessary info. The calculator will ask for the following information:
- Step 3: Interpret the results. Our calculator will automatically produce the results of the one-sample t-test:

**How do you find the T value on a TI-84 Plus?**

Solution 35294: Finding T Distribution Values on the TI-84 Plus Family of Graphing Calculators.

- Press [2nd] [DISTR] 6:tcdf(.
- Input 1 for the the lower bound and press [ENTER].
- Input 5 for the upper bound and press [ENTER].
- Input 4 for the degrees of freedom and press [ENTER].

#### What is t test critical value?

The t-critical value is the cutoff between retaining or rejecting the null hypothesis. Whenever the t-statistic is farther from 0 than the t-critical value, the null hypothesis is rejected; otherwise, the null hypothesis is retained.

**What does Invt do on calculator?**

Definition: The invt(value, n) function is the inverse t distribution function with n degrees of freedom. This function is used to calculate the p-value involving t distributions.

## How do you find the T value on a TI 83 Plus?

Step 1: Press the “STAT” key, then press the left arrow key to arrive at the Tests menu. Step 2: Press “8” for TInterval. Step 3: Arrow right to choose STATS. Press ENTER….How to Find T Critical Value on TI 83: Steps

- Set the mean (Xbar) to 0.
- Set Sx to the square root of your sample size.
- Set n as your sample size.