
Methods and formulas for correlation - Minitab
Formula Measures the degree of linear relationship between two variables. The correlation coefficient assumes a value between −1 and +1. If one variable tends to increase as the other …
Methods and formulas for Display Descriptive Statistics - Minitab
Formula Notation ... Standard deviation (StDev) The sample standard deviation provides a measure of the spread of your data. It is equal to the square root of the sample variance.
Methods and formulas for Factor Analysis - Minitab
Formula If the extraction method is the principal components then the matrix of factor score coefficients, C, is as follows: If the extraction method is based on the maximum likelihood …
Methods and formulas for Descriptive Statistics (Tables) - Minitab
Formula Use this formula to calculate the standard deviation for each cell or margin using the data from that cell or margin.
Methods and formulas for 2-Sample t - Minitab
P-value Formula The calculation for the p-value depends on the alternative hypothesis. ... The degrees of freedom, DF, depend upon the variance assumption. Unequal variances When you …
Methods and formulas for Paired t - Minitab
Formula Notation ... T-value Formula Notation ... P-value The calculation for the p-value depends on the alternative hypothesis.
Methods for Fit Regression Model and Linear Regression - Minitab
To remove highly correlated predictors from a regression equation, Minitab does the following steps: Minitab performs the SWEEP method on the correlation matrix, R, treating X 1 … X p …
Methods and formulas for Outlier Test - Minitab
The formula for the one-sided test depends on whether you test the smallest value, yi , or the largest value, yn. To test whether yi , is the outlier, use the following formula:
Methods and formulas for Normality Test - Minitab
Formula Notation ... Standard deviation (StDev) The sample standard deviation provides a measure of the spread of your data. It is equal to the square root of the sample variance.
Methods and formulas for Balanced ANOVA - Minitab
Formula Notation ... R-sq (adj) While the calculations for adjusted R 2 can produce negative values, Minitab displays zero for these cases.