A marketing company is studying consumer preferences for four brands of soft drinks (A, B, C, and D) and uses a random s
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A marketing company is studying consumer preferences for four brands of soft drinks (A, B, C, and D) and uses a random s
A marketing company is studying consumer preferences for four brands of soft drinks (A, B, C, and D) and uses a random sample of 400 customers. Using the observed frequency data below, test the hypothesis of equal preferences for the four brands at the 0.05 level. Make sure to show your work. Brand Observed Frequency A 105 B 100 С 103 D 92
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