Explore BrainMass

Explore BrainMass

    Statistics, Left-tail Hypothesis test using t-statistic

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

    Question
    The average IQ of a group of researchers is quoted to be 260. Thinking that this figure is too large, consulting firm tested a random sample of 8 researchers and found that the average IQ was 250 with s=8. Test at a level of significance of 1%.

    © BrainMass Inc. brainmass.com June 3, 2020, 7:42 pm ad1c9bdddf
    https://brainmass.com/statistics/students-t-test/statistics-left-tail-hypothesis-test-using-t-statistic-109719

    Attachments

    Solution Preview

    Null Hypothesis: H0 : µ = 260 and that the average IQ of the population is ...

    Solution Summary

    The detailed step by step solution is given to the posted problem. The solution is explained with every minute detail so that the student could use this solution as a model to solve other problems of the same model.

    $2.19

    ADVERTISEMENT