2. The logic of hypothesis testing A Federal Communications Commission (FCC) eco

Question

2. The logic of hypothesis testing A Federal Communications Commission (FCC) economist conducts a statistical study to test his hunch that consumers' mean monthly phone bill changes following the purchase of an iPhone. Suppose the consumers' mean monthly phone bill stays the same following the purchase of an iPhone. However when the economist collects a random sample, the sample mean difference is actually greater than zero. This result that the economist made a mistake in his research. Suppose the economist collects a random sample and decides to conduct a hypothesis test. Formulate the null and alternative hypotheses. For each statement in the following table, click the correct radio button to indicate whether the statement is the null hypothesis, the alternative hypothesis, or neither. (Hint: This is a nondirectional hypothesis test.) Null Alternative Hypothesis Hypothesis Neither Consumers' mean monthly phone bill increases following the purchase of an iPhone. Consumers' mean monthly phone bill changes following the purchase of an iPhone. Consumers' mean monthly phone bill stays the same following the purchase of an iPhone. Consumers' mean monthly phone bill decreases following the purchase of an iPhone. Flash Player WIN 27,D,0,130 Q3 3.34.1 © 2004-2016 Aplia. All nghts reenbd Grade It Now Save & Continue 2013 Cengage Learning except as noted. All rights reserved.

Explanation / Answer

B) statement is altenative hypothesis

bill changes following the purchase

and

C) statement is null hypothesis

bill stays the same fllowing the purchase

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