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Opinions are split about a coffee company's pumpkin-flavored coffee (PFC). Yet every year over the last five years the consumption of pumpkin-flavored goods has increased.
Opinions are split about a coffee company's pumpkin-flavored coffee (PFC). Yet every year over the last five years the consumption of pumpkin-flavored goods has increased. If we look at the numbers, it also becomes clear why a leading coffee company keeps offering the PFC earlier and earlier every year. According to a magazine, the amount spent by PFC buyers at the coffee company is about 17% higher than non-PFC buyers. The accompanying table shows a random sample of eight consumers, the amount they spend per week, y, and the number of PFCs purchased, x, per week. Use this information to complete parts a through c. PFC Spending 2 13.62 8 39.58 4 19.49 2 9.34 3 15.34 2 21.41 4 37.33 2 13.72 a. Using alphaequals0.05, test for the significance of the regression slope. Determine the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0: beta Subscript 1greater than or equals0 Upper H 1: beta Subscript 1less than0 B. Upper H 0: beta Subscript 1less than or equals0 Upper H 1: beta Subscript 1greater than0 C. Upper H 0: beta Subscript 1equals0 Upper H 1: beta Subscript 1not equals0 Your answer is correct.D. Upper H 0: beta Subscript 1not equals0 Upper H 1: beta Subscript 1equals0 Part 2 Calculate the test statistic for the hypothesis test. tequals enter your response here (Round to two decimal places as needed.)
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