In 30 sampling number from the population of one set and arranged respectively. The following 23 23 24 27 29 31 32 33 33 35 36 37 40 42 43 43 44 45 48 48 54 54 56 57 57 58 58 58 58 59, to test the hypothesis that a significant 0.05 that population sampling beer and sit together regularly there to normal distribution.
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