Question: please solve this using excel thanks! To determine how well a new method of teaching vocabulary b working in a certain elementary school, education researchers

please solve this using excel

thanks!

To determine how well a new method of teaching vocabulary b working in a certain elementary school, education researchers plan to give a vocabeilary test to a sample of 100 sixth graders; It is known that scores on this test have a standard devistion of 8 . The researchers found the sample mean to be 80 . Construct a 99% confidence interval for the population mean. Round your answers to whole numbers. Upioad a file with your work shown

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