empirical or chebyshev

  1. A

    Empirical/Chebyshev

    A sample of 200 people were given a test. The distribution of the test scores was mound-shaped and symmetrical with a mean of 100. One person, whose test score was 125, was found to be at the 84th percentile. a)Approximately how many people obtained scores between 65 and 85? Using...