# Sample Size - Form

This Form generates sample size for tests of Means, Variances, Proportions, Rates, ANOVAs, and Correlation.

### Menu

**File**provides the ability__Save__or Print the output, or return to the__Main Form__.**Edit**allows__Editing Output Text__by cutting, copying, pasting, and undoing entry.**View**provides the ability to enlarge/reduce the Form size for easier viewing.**Help**provides access to this Website.

### Speed Buttons

- These buttons provide quick access to the following tasks.
- Returns to last Form or the
__Main Form__. -
__Saves__the output to a file. - Prints the Text.
- Copies Selection to the clipboard.
- Pastes Text from the clipboard
- Enlarges/Reduces Form size for easier viewing.
- Brings up the
__Main Form__. - Brings up the Help file.
- Hides the form.

### Means Sample Size

### Variance Sample Size

The following inputs will be displayed. Enter Alpha, Beta, and the ratio of the Standard Deviations (s1/s2). For One-Sample tests, s2 is the alternative value.

### Proportion Sample Size

The following inputs will be displayed. Enter Alpha, Beta, and the Proportions (Pi1/Pi2). For One-Sample tests, Pi(2) is the alternative value.

### Rate Sample Size

The following inputs will be displayed. Enter Alpha, Beta, and the Rates (Lambda1 and Lambda2). For One-Sample tests, Lambda2 is the alternative value.

### ANOVA Sample Size

The following inputs will be displayed. Enter Alpha, Beta, Sigma, Delta, and the number of levels or cells of interest.

### Alpha

### Beta

### Sigma

### Delta

### Sample Number

### Tails

### Power Checkbox

### Output Text

### Action Button

### Correlation Sample Size

The following inputs will be displayed. Enter Alpha, Beta, Rho(0), and Rho(1).