Explore BrainMass

Explore BrainMass

    Confidence Interval: Executive survey

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Chapter 9, 34

    A recent survey of 50 executives who were laid off from their previous position revealed it took a mean of 26 weeks for them to find another position. The standard deviation of the sample was 6.2 weeks. Construct a 95 percent confidence interval for the population mean. It is reasonable that the population mean is 28 weeks? Justify your answer.

    © BrainMass Inc. brainmass.com June 3, 2020, 11:45 pm ad1c9bdddf
    https://brainmass.com/statistics/confidence-interval/confidence-interval-executive-survey-296021

    Solution Summary

    The solution provides step by step method for the calculation of confidence interval for population mean. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

    $2.19

    ADVERTISEMENT