Researchers Examine the Impact of Omega-3 Fatty Acids on Vasomotor

Multiple Choice

Researchers examine the impact of Omega-3 fatty acids on vasomotor symptoms in menopausal women. Subjects in the study are given either a placebo (0g daily) , 1g daily or 1.8g daily and asked to record any vasomotor symptoms they experience. The Omega-3 fatty acid variable is an example of what type of data?

A) interval level
B) nominal
C) ordinal
D) ratio