Question

A veterinary study of horses looked at the type of housing provided for the horse and the type of bedding. Bedding was classified as shavings or rubber mats and housing was classified as stall, small paddock, large paddock, and pasture. The data from the study are provided in the table below.

Housing

Bedding	Stall	Small Paddock	Large Paddock	Pasture	Total
Shavings/Straw	20	23	29	12	74
Rubber Mat/Dirt	3	5	33	21	62
Total	23	28	52	33	136

The investigators carried out a chi-square test for association and obtained as a test-statistic the value . The P-value for this statistic is obtained from a  table on:

	4 degrees of freedom.
	3 degrees of freedom.
	6 degrees of freedom.
	1 degree of freedom.

Answer 1