Conditions for ANOVA – Apply It 1

  • Check the conditions for a one-way ANOVA hypothesis test

When is ANOVA appropriate?

A diagram of a healthy bone next to a diagram of a bone with osteoporosis.

Osteoporosis is a bone disease in which the bones in a person’s body have lost density, making them weak and brittle. The condition is most common in older women, and researchers have been searching for ways to treat and prevent osteoporosis for many years.

Assumptions:

  1. The right types of data—factor of interest should be categorical, and the response variable should be numeric and continuous.
  2. Randomly assigned, independent groups.
  3. Similar levels of variability.