Question
182university students were randomly selected and asked their email service provider and cell phone provider, resulting in the data below. Cell Phone Provider ATT Verizon
182university students were randomly selected and asked their email service provider and cell phone provider, resulting in the data below.
Cell Phone Provider
ATT Verizon Other
g-mail 29 16 8
Email Provider outlook 34 27 10
Other 29 17 12
To test whether there's a relationship between cell phone provider and email provider, state appropriate hypotheses.
H0:
Cell service provider is not related to email provider
vs.Ha: Cell service provider is related to email provider
H0:
The proportions who have each type of email are the same for all cell providers
vs.Ha: The proportions who have each type of email are different for all cell providers
H0:
Cell service provider is related to email provider
vs.Ha: Cell service provider is not related to email provider
H0:
The proportions who have each type of email are not the same for all cell providers
vs.Ha: The proportions who have each type of email are the same for all cell providers
Which of the following best explains whether conditions are met?
There are more than 2000 university students, and all cell counts are at least 5.
Groups are normally distributed and N >= 10n.
There are more than 2000 university students, 80% of cell counts are at least 5 and all are at least 1.
Compute the test statistic value. (Round your answer to four decimal places.)
?2=
TheP-value (to four decimal places) is
Draw a picture of the sampling distribution,label it with the test statistic and p-value, and shade the area corresponding to the p-value.
Also create a sentence explaining what thep-value means for this problem.This should be a definition, not a test conclusion. Refer to your sampling distribution picture if it helps. but it's not required.
State the conclusion in the problem context. (Use?= 0.05.)RejectH0. There is no evidence that there is a relationship between email service provider and cell phone provider for university students.
Fail to rejectH0. There is no evidence that there is a relationship between email service provider and cell phone provider for university students.
RejectH0. There is evidence that there is a relationship between email service provider and cell phone provider for university students.
Fail to rejectH0. There is evidence that there is a relationship between email service provider and cell phone provider for university students.
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