Question
A recent poll revealed the political affiliations of 278 Americans, along with the region of the country in which theyreside. Political Affiliation Democrat Independent Republican
A recent poll revealed the political affiliations of 278 Americans, along with the region of the country in which theyreside.
Political Affiliation
Democrat Independent Republican
Region
Northeast 17 16 14
Southeast 38 44 49
West 32 43 25
To test whether region of residence and political affiliation were related, one of the pollsters computed a chi-square statistic,
2
=4.9049
2=4.9049, with four degrees of freedom and set an alpha (
) level of0.05.
Determine the-value
P-valueof the chi-square statistic in this test for independence and report it to at least three decimal places. You will need to use some kind of software (statistical package or calculator that does statistical computations) to get the-value
P-valuethatprecisely.
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