# Question

The federal government would like to determine if the proportion of households without health insurance coverage differs with household income. Suppose the following data were collected from 700 randomly selected households.
a. Using α = 0.01, perform a chisquare test to determine if the proportion of households without health insurance differs by income bracket.
b. Confirm your results with PHStat.
c. Interpret the meaning of the pvalue from PHStat.
d. How does income appear to impact the likelihood that a household has insurance coverage?

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• CreatedJuly 28, 2015
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