Even When an Unimportant Variable Is Added to a Regression

question 61

True/False

Even when an unimportant variable is added to a regression model, the explained variation will increase.

---

Definitions:

Testosterone

A steroid hormone that plays a key role in the development of male reproductive tissues, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Estrogens

A group of steroid hormones that promote the development and maintenance of female characteristics of the body.

23rd Chromosome

One of the pair of chromosomes responsible for determining the sex of an individual, with XX typically denoting female and XY typically denoting male.

Sex Chromosomes

The chromosomes (X and Y) responsible for determining the biological sex of an organism.