Mathematics, 05.12.2019 18:31 maggie2018

1. a researcher obtained a random sample of n= 60 students to determine if there were any significant preferences among 3 brands of colas. each student tasted all three brands and then selected his/her favorite. the frequency distribution was: brand a = 28, brand b = 14, brand c = 18. do the data indicate any preference among the three brands? (test with α = .05)

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