Hypotheses: Test statistic and P-value. State calculator function used. Conclusion in terms of the context.

MATLAB: An Introduction with Applications
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The distribution of main economic concerns in the year 2010 for residents in a certain county was 6% for jobs, 38% for medical care, 26% for higher education, and 30% for housing.  A journalist is interested in determining if the distribution of main economic concerns is different nowadays. He randomly selects a sample of 350 residents from that county and surveys them. The results are listed below. Test journalist’s the claim at the α = 0.05 level of significance.

  1.  Fill in the expected values.
    Economic Concern Jobs Medical Care Higher Education Housing
    Number of residents 20 133 111 86
    Expected Value        

    1. Hypotheses:
  2. Test statistic and P-value. State calculator function used.
  3.  Conclusion in terms of the context.

     

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