Suppose that the number of dollars spent per week on groceries are normally distributed with an unknown mean and standard deviation. A random sample of 18 grocery bills is taken and gives a sample mean of 103 dollars and a sample standard deviation of 10 dollars. Find a 98% confidence interval estimate for the population mean using the Student's t-distribution and a calculator. Round the final answers to two decimal places. Provide your answer below: 98% of the x-values lie between and

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Suppose that the number of dollars spent per week on groceries are normally distributed with an unknown mean and
standard deviation. A random sample of 18 grocery bills is taken and gives a sample mean of 103 dollars and a sample
standard deviation of 10 dollars.
Find a 98% confidence interval estimate for the population mean using the Student's t-distribution and a calculator.
Round the final answers to two decimal places.
Provide your answer below:
98% of the x-values lie between
and
Transcribed Image Text:Suppose that the number of dollars spent per week on groceries are normally distributed with an unknown mean and standard deviation. A random sample of 18 grocery bills is taken and gives a sample mean of 103 dollars and a sample standard deviation of 10 dollars. Find a 98% confidence interval estimate for the population mean using the Student's t-distribution and a calculator. Round the final answers to two decimal places. Provide your answer below: 98% of the x-values lie between and
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