Identify the level of significance

Assignment Help Basic Statistics

Reference no: EM13148815

In Los Angeles there are three network television stations, each with it own evening news program from 6:00 to 6:30 PM. According to a report in this morning's local newspaper, a random sample of 150 viewers last night revealed 53 watched the news on KNBC (channel 2), 64 watched KABC (channel 7), and 33 viewed KCBS (channel 2). At the 0.05 significance level, is there a difference in the proportion of viewers watching the three channels?

1. State the null and alternative hypothesis.

2. Identify the level of significance: Given at 0.05

3. Calculate the test statistic

Category fo fe fo-fe (fo-fe)2 (fo-fe)2/fe

X2 =

4. Formulate the decision rule.

5. Make a decision.

Reference no: EM13148815

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