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Listen A random sample of 30 college graduates reported that the sample mean time to graduate was 4.58 years with a standard deviation of 1.1
Listen A random sample of 30 college graduates reported that the sample mean time to graduate was 4.58 years with a standard deviation of 1.1 years. We want to find the 90% confidence interval for the mean time it takes for college students to graduate. What is the point estimate for the confidence interval? A
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