One Friday night, there were 42 carry-out orders at Ashoka Curry Express. 18.74 21.05 31.19 23.06 20.17 25.12 24.30
46.04 33.96 45.04 34.63 35.24 30.13 29.93
52.33 26.52 19.68 19.62 32.96 42.07 47.82
38.62 31.88 44.97 36.35 21.50 41.42 33.87
26.43 35.28 21.88 24.80 27.49 18.30 44.47
28.40 36.72 26.30 47.08 34.33 13.15 15.51
A) Estimate the mean and standard deviation from the sample.
B) Do the chi-square test at α = .025 (define bins by using method 3 (equal expected frequencies).
C) Can you reject the hypothesis that carry-out orders follow a normal population?
A. Yes
B. No.