Starting salaries of 60 college graduates who have taken a statistics course have a mean of...
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Starting salaries of 60 college graduates who have taken a statistics course have a mean of $42,954. Suppose the distribution of this population is approximately normal and has a standard deviation of $10,225. Using a 93% confidence level, find both of the following: (NOTE: Do not use commas or dollar signs in your answers.) (a) The margin of error: 2.389 (b) The confidence interval for the mean u: 42951.611 42956.389 Starting salaries of 60 college graduates who have taken a statistics course have a mean of $42,954. Suppose the distribution of this population is approximately normal and has a standard deviation of $10,225. Using a 93% confidence level, find both of the following: (NOTE: Do not use commas or dollar signs in your answers.) (a) The margin of error: 2.389 (b) The confidence interval for the mean u: 42951.611 42956.389
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