Statistics Solutions

[Steps Shown] A sample size of 45 is used to test H 0 : 75 vs. H a : < 75. Given that x̄ = 72.9 and = 4.3, answer the following questions (4 pts) What is the

Question: A sample size of 45 is used to test H 0 : 75 vs. H a : < 75.

Given that \[\bar{x}\] = 72.9 and = 4.3, answer the following questions (4 pts)

  1. What is the computed value of the test statistic? Answered below and is correct
  2. What distribution does the test statistic have when the null hypothesis is true? You have not answered this -1
  3. Is the alternative hypothesis one-tailed or two-tailed? Answered below and is correct
  4. What is the p-value? Answered below and is correct

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