Category: Data analysis

Statistics glossary

VARIABLES Qualitative vs Quantitative variables Qualitative variables are categorical items, whereas quantitative variables have a numerical value associated. Qualitative example: Blood group Quantitative example: Temperature   Discrete vs Continuous variables Quantitative variables can be split into discrete (counted to an exact figure) or continuous, which can’t be measured precisely so need to be rounded. Discrete Read More …

Regression analysis in Excel

Regression analysis is a statistical technique to assess the relationship between two or more variables. In business, you can use it to help prove whether adjusting one variable is likely to impact another e.g. if we invest in more training will our staff become more productive?   This article won’t go into the detailed mathematics behind the Read More …