Excel for Statistics

How to Find Z Critical Value in Excel (Left, Right, & 2 Tailed Tests)

ExcelInsider Team August 20, 2025

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 area for the null hypothesis. We can ...

Excel for Statistics

How to Find T Critical Value in Excel (Left, Right & 2-Tailed Tests)

ExcelInsider Team August 20, 2025

The T critical value is the threshold for determining whether a sample data point is statistically significant in the population. It defines the rejection area for the null hypothesis. We can find ...