random sample null hypothesis
A researcher collected a simple random sample of 25-34 year olds from each of four states, Arkansas, Illinois, Louisiana, and New York, and recorded if the members of the samples completed college degrees. Results:
- Arkansas: Sample size is 50, and 15 out of this sample completed college degrees.
- Illinois: Sample size is 60, and 27 out of this sample completed college degrees.
- Louisiana: Sample size is 60, and 18 out of this sample completed college degrees.
- New York: Sample size is 80, and 40 out of this sample completed college degrees.
At a 99% level of confidence, test the null hypothesis that the proportions of 25-34 year olds that completed college degrees are equal for these four states. (Show work)
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