Describe the effect, if any. that the size of a sample has in assessing the normality of a population.
Answer to relevant QuestionsCompute the sample mean it and the sample standard deviation s. Make a boxplot of the pressures for the second sample. Is the method appropriate for the second shipment? Drill lifetime: A sample of 50 drills had a mean lifetime of 12.68 holes drilled when drilling a low- carbon steel. Assume the population standard deviation is 6.83. a. Construct a 95% confidence interval for the mean ...When constructing a confidence interval for. , how do you decide whether to use the t distribution or the normal distribution? Are there any circumstances when it is acceptable to use either distribution? A housing official in a certain city claims that the mean monthly rent for apartments in the city is more than $1000. To verify this claim, a simple random sample of 40 renters in the city was taken, and the sample mean rent ...
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