A Gasoline Distributor Wonders Whether an Individual's Income Level Influences $\alpha$

question 33

Multiple Choice

A gasoline distributor wonders whether an individual's income level influences the grade of gasoline purchased.The following is a contingency table from a random sample of 300 individuals. Using $\alpha$ = .05, appropriate decision is ______________.

• A)reject the null hypothesis and conclude the two variables are not independent
• B)reject the null hypothesis and conclude the two variables are independent
• C)do not reject the null hypothesis and conclude the two variables are not independent
• D)do not reject the null hypothesis and conclude the two variables are independent
• E)do nothing

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