A contingency table or crosstabs shows the frequency distribution of two categorical variables. You can use Excel features and functions to easily make a ...

A 95% confidence interval means – 95% of the standard normal distribution lies between an interval bounded by two Z scores. To calculate Z score 95% confidence ...

The Fisher test evaluates any significant association between two categorical variables. We can perform the Fisher test in Excel using the HYPGEOM.DIST ...

A frequency distribution shows the frequency or number of observations within different intervals. You can use Excel functions, features, and add-ins to make a ...

The legend is a section of the chart that indicates what different colors, lines, and areas mean in the chart. The legend always shows the color of the data ...

The Z score indicates how many standard deviations a data point is located from the mean value of the dataset. You can use an Excel function or a simple ...

The Z critical value is the boundary value that determines whether a sample data point is statistically significant in the population. It defines the rejection ...

The Friedman test uses ranks to compare more than two groups. It is used when normality and equal variance conditions are not satisfied. Although there are no ...

A legend is a chart element that explains colors, symbols, or patterns used to represent different data series. It always shows what the series represents. ...

A T-test determines any significant difference between two groups by comparing their mean values. You can use built-in functions and add-ins to do a T-test in ...