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In a survey done by the Department of Health, a sample size of 10,000 people reported on their health in the past year. The null hypothesis says that good health and sex are independant while the alternative hypothesis says that the good health and sex are dependant. Here are the results: male female total good health 2,253 3,415 6,730 bad health 2,115 2,217 3,270 total 4,368 5,632 10,000 Find the chi-square statistic and reject or accept the null hypothesis.
  • the chi-square statistic is 21.2 and accept the null
  • the chi-square statistic is 20.1 and accept the null
  • the chi-square statistic is 23.6 and reject the null
  • the chi-square statistic is 24.1 and reject the null
  • the chi-square statistic is 22.3 and reject the null
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    Carlos Rodriguez <carlos@math.albany.edu>
    This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
    Last modified: Wed May 13 12:29:11 EDT 1998