Math Solutions

(Solved) The mean driving distance on the PGA Tour in the year 2009 was 278 yards. It is believed that driving distance has increased this year according

Question: The mean driving distance on the PGA Tour in the year 2009 was 278 yards. It is believed that driving distance has increased this year according to golf analysts. A random sample of 25 Tour players was taken and produced a sample mean of 286 yards with a standard deviation of 10 yards.

  1. State an appropriate alternate hypothesis
  2. Is the sampling distribution of xbar normally distributed?
  3. At a 95% confidence what is the value of the test statistic?
  4. What is the critical value?
  5. What is your conclusion concerning the null hypothesis

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