Question

TABLE 12-11 The director of admissions at a state college is interested in seeing if admissions status (admitted, waiting list, denied admission) at his college is independent of the type of community in which an applicant resides. He takes a sample of recent admissions decisions and forms the following table:

Admitted Wait

	ADMITTED	WAIT LIST	DENIED	TOTAL
URBAN	45	21	17	83
RURAL	33	13	24	70
SUBURBAN	34	12	39	85
TOTAL	112	46	80	238

He will use this table to do a chi-square test of independence with a level of significance of 0.01.

Referring to Table 12-11, the critical value of the test is _______?

Answer 1

Degree of freedom =(Number of Rows-1)(Number of Columns-1) =2*2=4

Chi square critical value =13.277......................by using chi square critical value table or Excel =CHIINV(0.01,4)