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Statistics Resources

This guide contains all of the ASC's statistics resources. If you do not see a topic, suggest it through the suggestion box on the Statistics home page.

Research Questions and Hypotheses

Here are some examples of when a chi-square test may be appropriate.

Goodness-of-Fit:

  • RQ: Does the distribution of eye colors at NCU differ from that of the general population?
    • H0: The distribution of eye colors at NCU does not differ from the general population.
    • Ha: The distribution of eye colors at NCU is different than expected based on the general population.
  • RQ: Does there appear to be a flavor preference for ice cream amongst kindergarten students?
    • H0: All ice cream flavors are preferred equally by kindergarten students.
    • Ha: There is a significant difference in ice cream preference based on flavor.

Test for Association:

  • RQ: Is there an association between gender and color preference?
    • H0: Gender and color preference are independent of each other.
    • Ha: There is a significant relationship between gender and color preference.
  • RQ: Is grade level independent of school attendance?
    • H0: There is no association between grade level and school attendance.
    • Ha: There is a significant association between grade level and school attendance.

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