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The average take-out order size for Ashoka Curry House restaurant is shown. Assuming equal variances, at α = 0.05, is there a significant difference in the order sizes?
Customer Order Size
Statistic
Friday Night
Saturday Night
Mean order size
[Math Processing Error]x¯1 = 21.27
[Math Processing Error]x¯2 = 24.67
Standard deviation
s 1 = 4.74
s2 = 6.39
Number of orders
n1 = 10
n2 = 17
(a) Choose the appropriate hypotheses. Assume μ1 is the average order size on Friday night and μ2 is the average order size on Saturday night. a. H0: μ1 - μ2 = 0 vs H1: μ1 - μ2 ≠ 0 b. H1: μ1 - μ2 ≠ 0 vs H0: μ1 - μ2 = 0
multiple choice
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