Question 266304
State the null and alternative hypothesis.

	HO: Viewers watching the three channels are equal.

H1: Viewers watching the three channels are not equal.



      2. Identify the level of significance: Given at 0.05

Degrees of freedom (k – 1 = 3 – 1 = 2) at .05 level of significance and based on the right-tail area we have = 5.991

      3. Calculate the test statistic


Category	fo	fe	fo-fe	(fo-fe)2	(fo-fe)2/fe
KNBC	53	50	3	9	0.18
KABC	64	50	14	196	3.92
KCBS	33	50	-17	289	5.78
           3            150                               0                           X2 = 9.88


                                                                                              
     4. Formulate the decision rule.

Reject Ho if the computed value of chi-square is greater than 5.991 (critical value)


5.	Make a decision.

We reject Ho because the computed Chi-square: 9.88  is greater than 5.991.


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