Calculators

A two sample t-test is used to test whether or not the means of two…

A one sample t-test is used to test whether or not the mean of a…

This calculator finds the Chi-Square critical value for a given degrees of freedom and significance…

A confidence interval for a correlation coefficient is a range of values that is likely to contain…

A confidence interval for a population standard deviation is a range of values that is likely to…

A confidence interval for a difference in proportions is a range of values that is likely to…

Fisher’s Exact Test is used to determine whether or not there is a significant association…

A Chi-Square Test of Independence is used to determine whether or not there is a…

This calculator finds the p-value associated with a given Chi-Square score and a specified degrees…

A two proportion z-test is used to test for a difference between two population proportions.…