It is known that the overall job satisfaction (score range 0-10) of professors follows a normal distribution. The job satisfaction of 16 SUNY professor shows blow using a histogram.   Calculate the 95% CI to estimate the professor population's average job satisfaction level and interpret the 95% CI. List two ways that you could use to get a narrower confidence level. Which way is better? Why?

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It is known that the overall job satisfaction (score range 0-10) of professors follows a normal distribution. The job satisfaction of 16 SUNY professor shows blow using a histogram.

 

  • Calculate the 95% CI to estimate the professor population's average job satisfaction level and interpret the 95% CI.

List two ways that you could use to get a narrower confidence level. Which way is better? Why?

 

 

 

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