Assignment Attempts Average: 15 2. The logic of hypethesis testing A Federal Com

Question

Assignment Attempts Average: 15 2. The logic of hypethesis testing A Federal Communications Commission (RCO economist conducts astatistical study to tast his hunch rat consumers mean monthly phone bia changes falowing the purchase of anahone The economist should use a hypothesis test because he o knows or can calculate the population mean, but he ta should compareRtoasample mean O Does not know and probably cannot calculate the mean for the entire population Suppose the economist colecta random sample and decides to conducta hypothesis Formulate the nurand alternative hypothe For each statement in the following table, did the correct adia button toindicate whether is the hypothesis the altematiive hypothetis, or nether Hints TNs is Hypothesis Hypothesis Neither monthly phone bil decreases following the purchase of an iPhone Consumers mean monthly phone bia changes fotoeing the Consumers mean monthly phone ba stays the same the purchase of an iPhone. Co aumen mean monely phone anoreeses foieming the purchase of an Phene. F8 F11 O

Explanation / Answer

Q2) Option B is correct because he does not know about the population parameters

Q3) (a) It will be alternate hypothesis (because alternate hypothesis can have < sign)

b)  It will be alternate hypothesis (because alternate hypothesis can have not equal sign)

(c) It will be null hypothesis (because null hypothesis should have = sign)

(d) It will be alternate hypothesis (because alternate hypothesis can have > sign)

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