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1. Use the given degree of confidence and sample data to construct a confidence interval for the population mean. Assume that the population has a

1.Use the given degree of confidence and sample data to construct a confidence interval for the population mean. Assume that the population has a normal distribution.

The principle randomly selected six students to take an aptitude test. Their scores were:

83.0, 84.1, 83.5, 83.7, 84.1, 73.5

Determine a 90 percent confidence interval for the mean score for all students.

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