A sample of 25 students from a Faculty has been obtained to estimate the average grade of the students' files in the Fac

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answerhappygod
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A sample of 25 students from a Faculty has been obtained to estimate the average grade of the students' files in the Fac

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A sample of 25 students from a Faculty has been obtained to
estimate the average grade of the students' files in the Faculty.
It is known from other courses that the standard deviation of the
scores in said Faculty is 2.01 points. If the sample mean was 4.9,
determine the 95% confidence interval for the mean scores. Give
Excel equation as well as procedure. Give Excel equations as well
as all procedure.
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