Explore BrainMass

Explore BrainMass

    Hypothesis testing for mean

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

    A sample of 93 IQ scores was randomly selected from a certain population. At the 0.03 level of significance, test the hypothesis that the population has a mean IQ of 105. Assume that the population standard deviation is 11.9 and that the sample mean was 107 for the 93 scores.

    © BrainMass Inc. brainmass.com June 3, 2020, 9:47 pm ad1c9bdddf

    Solution Preview

    Please see the attached file for complete solution. Work done with the help of equation writer may not print here.

    Solution :

    Sample Mean =
    Population mean =

    Ho: Population has a mean IQ score of ...

    Solution Summary

    The solution describes the steps in hypothesis testing for population mean based upon given sample mean and population standard deviation.