Question

Dr. Grey wanted to see if doctors prescribed different treatments for OCD for male patients compared to females. Please use the following frequency tables for the data collected by Dr. Grey. SHOW ALL THE TIME.

Contingency table of Observed and Expected Frequencies of the different treatments (Drug vs. Cognitive Therapy) prescribed for patients with OCD.
Therapy Totals		Drug		Cognitive Therapy		Total
Gender of Patient		Observed	Expected	Observed	Expected
	Man	20		10		30
	Woman	15		15		30
	Total	35		25		60

What is your decision?

A) χ2o < χ2c fail to reject null

B) χ2o > χ2c reject null

C) χ2o > χ2c fail to reject null

D) χ2o < χ2c reject null

Answer 1