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An article reported that for a sample of 54 kitchens with gas cooking appliances monitored during a one week period, the samp
A sample of 55 research cotton samples resulted in a sample average percentage elongation of 8.16 and a sample standard devia
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The 95%. Confidence interval for true average of Cez level in the population o n the = 654.16 I (1960 x 163.53 ) The art. I i

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