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You are tasked with determining if there is a difference in the average number of years...

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Basic Math

  1. You are tasked with determining if there is a difference in theaverage number of years of education of men and women inCalifornia. You take a random sample of 1,800 men and 3,200 women.The average education in your sample of men is 13 years with asample standard deviation of 3 years. The average education in yoursample of women is 14 years with a sample standard deviation of 4years.

    1. What is your null hypothesis?

    2. What is your alternative hypothesis?

    3. State your conclusion regarding the difference in averageeducation,

      using 5% significance.

    4. What is the 95% confidence interval for the difference inaverage

      wages?

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