Question

6.         A tile company was interested in comparing the fraction of new house builders favoring three types of tiles as floor coverings for their houses in three different areas of Klang Valley, i.e. Subang Jaya, Puchong and Petaling Jaya. A survey was conducted and the data were as follows:

Floor Coverings	Area
	Subang Jaya	Puchong	Petaling Jaya
Type I	224	165	36
Type II	196	152	44
Type III	80	83	20

Test at 5% level of significance whether there is any association between types of tiles used and the areas concerned.                                                     (Do not reject H₀)

Answer 1