## How do you do normal distribution on a TI 89?

Drawing a normal curve

1. Press. and the Distr menu will fall.
3. Enter a, the lower endpoint, and press .
4. Enter b, the upper endpoint, and press .
5. Enter the mean, m, and press .
6. Enter the standard deviation, s, and press .
7. Press. to see the graph.

### How do I make a normal probability plot in Excel?

A normal probability plot can be used to determine if the values in a dataset are roughly normally distributed….How to Create a Normal Probability Plot in Excel (Step-by-Step)

1. Step 1: Create the Dataset.
2. Step 2: Calculate the Z-Values.
3. Step 3: Create the Normal Probability Plot.

#### How do you make a normal probability plot on TI 84 Plus CE?

To create a normal quantile plot on the TI-83/84 Type your data values into L1. If L1 has data in it, arrow up to the name L1, click CLEAR and then press ENTER. The column will now be cleared and you can type the data in. Now click STAT PLOT (2 nd Y=).

How do you input normal CDF?

Use the NormalCDF function.

1. Step 1: Press the 2nd key and then press VARS then 2 to get “normalcdf.”
2. Step 2: Enter the following numbers into the screen:
3. Step 3: Press 75 (for the mean), followed by a comma and then 5 (for the standard deviation).
4. Step 4: Close the argument list with a “)”.

How do you calculate cumulative probability in Excel?

Suppose you have an @RISK input or output, or even just an Excel formula, in cell AB123. To obtain the cumulative probability to the left of x = 14, for the most recent simulation, use the function =RiskXtoP(AB123,14).

## How do you graph normality on a TI 84?

How to Create a Normal Probability Plot (TI-84)

1. Enter data into calculator by hitting ‘STAT’ and then ‘Edit’
2. Hit ‘2nd’ and then ‘Y=’ to access Stat Plot.
3. Enter Plot 1.
4. Turn Plot 1 ‘On’ and then toggle below to ‘Type.
5. Hit ‘ZOOM’ and then scroll down to ‘9: Zoom Stat’

### How do I calculate CDF in Excel?

CDF is calculated using NORMDIST or NORM. DIST function of excel. You just need to pass, 1 or true as a cumulative argument.

#### Which TI calculator is best for statistics?

TI-83
As far as statistics is concerned, the best calculator for statistics is the TI-83, though the TI-89 comes close.