Dr. Pat Jones is an industrial psychologist and is currently studying stress amount internet company executives. A questionnaire was developed to measure stress. A score above 80 indicates stress at a dangerous level. A random sample of 15 executives revealed the stress scores in the attached file. homework 3 - 2.xlsx  ( Stress  94, 78, 83, 90, 78, 99, 97, 90, 97, 90, 93, 94, 100, 75, 84 ) Construct a 95% confidence interval for the population mean. What is the lower boundary? (answer should be in the following format xx.xxx)

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.