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Minitab Steps

Minitab Steps - Step2 setup confidence level Here select...

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Minitab Steps Problem 1: With the following sample GPA, we are 95% that FIU student GPA is between ? and ? 3.1 3.2 3.3 3.4 Assume FIU GPA has standard deviation=0.01 Solution: It is to find two-sided Confidence Interval with known variance. Step1: use 1 sample Z Step2: click “Option”, setup confidence level
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Here not equal means finding both LCL and UCL. Final result is shown in session Problem 2: With the following sample GPA, we are 95% that FIU student GPA is above ? 3.1 3.2 3.3 3.4 Assume FIU GPA has standard deviation=0.01 Solution: It is to find one-sided Lower Confidence Bound with known variance Step1: use 1 sample Z because variance is known
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Unformatted text preview: Step2: setup confidence level Here select “greater than” means finding Lower Confidence Bound. Final result is shown in session. Problem 3: With the following sample GPA, we are 95% that FIU student GPA is between ? and ? 3.1 3.2 3.3 3.4 Assume FIU GPA standard deviation is unknown. Solution: It is to find two-sided Confidence Interval with unknown variance Step1: use 1 sample t because variance is unknown Step2: setup confidence level Here select “not equal” means finding both LCL and UCL. Final result is shown in session....
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