[See Steps] In Question 10.5 on page 231, it was concluded that the mean salary among the population of female members of the American Psychological Association


Question: In Question 10.5 on page 231, it was concluded that the mean salary among the population of female members of the American Psychological Association is less than that ($82,500) for all comparable members who have a doctorate and teach full time.

  1. Given a population standard deviation of $6,000 and a sample mean salary of $80,100 for a random sample of 100 female members, construct a 99 percent confidence interval for the mean salary for all female members.
  2. Given this confidence interval, is there any consistent evidence that the mean salary for all female members falls below $82,500, the mean salary for all members?

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Solution: The downloadable solution consists of 1 pages
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