# Point-Biserial Correlation, Unequal Ns

- Calculator Home
- Standardized Mean Difference (d)
- Means and Standard Deviations
- t-test, Unequal Sample Sizes
- t-test, Equal Sample Sizes
- F-Test, 2-Group, Unequal Sample Sizes
- F-Test, 2-Group, Equal Sample Sizes
- t-test p-value, Equal Sample Sizes
- t-test p-value, Unequal Sample Sizes
- Means and Standard Errors
- 2 by 2 Frequency Table
- Binary Proportions
- Point-Biserial Correlation, Equal Ns
- Point-Biserial Correlation, Unequal Ns
- Point-Biserial Correlation, P-Value, Equal Ns
- Point-Biserial Correlation, P-Value, Unequal Ns
- Phi-Coefficient
- Phi-Coefficient P-Value
- Chi-Squared
- Chi-Squared P-Value
- Frequency Distribution
- Frequency Distribution (Proportions)
- Unstandardized Regression Coefficient
- Standardized Regression Coefficient
- Means and Full Sample Standard Deviation
- Means Gains Scores and Gain Score Standard Deviations
- Means Gains Scores, Pre and Post SDs, and Paired T-Tests
- Means Gains Scores, Pre and Post SDs, and Pre-Post r
- Means and Standard Deviations with Sub-groups
- F-Test, 3 or More Groups
- Means and ANCOVA
- Two-way ANOVA, Means, and Sample Sizes

- Correlation Coefficient (r)
- Odds-ratio (OR) and Risk-ratio (RR)

- Means and Standard Deviations
- T-test, Unequal Sample Sizes
- T-test, Equal Sample Sizes
- F-Test, 2-Group, Unequal Sample Sizes
- F-Test, 2-Group, Equal Sample Sizes
- T-test P-value, Equal Sample Sizes
- T-test P-value, Unequal Sample Sizes
- Means and Standard Errors
- 2 by 2 Frequency Table
- Binary Proportions
- Point-Biserial Correlation, Equal Ns
- Point-Biserial Correlation, Unequal Ns
- Point-Biserial Correlation, P-Value, Equal Ns
- Point-Biserial Correlation, P-Value, Unequal Ns
- Phi-Coefficient
- Phi-Coefficient P-Value
- Chi-Square
- Chi-Square P-Value
- Frequency Distribution
- Frequency Distribution (Proportions)
- Unstandardized Regression Coefficient
- Standardized Regression Coefficient
- Means and Full Sample Standard Deviation
- Means Gains Scores and Gain Score SDs
- Mean Gains Scores, Pre and Post SDs, and Paired T-Tests
- Mean Gains Scores, Pre and Post SDs, and Pre-Post R
- Mean and Standard Deviations with Sub-groups
- F-Test, 3 or More Groups
- Means and ANCOVA
- Two-way ANOVA