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A school administrator is interested in a schools performance in math.  He administers a math test to a...

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Basic Math

A schooladministrator is interested in a schools performance inmath.  He administers a math test to a sample of 30students and obtains a mean of 84.25.  The standarddeviation of this sample was 8.4. (T Test)

26. Construct a 95% confidence interval for this data.

27. How would you interpret this confidence interval?

Answer & Explanation Solved by verified expert
3.7 Ratings (351 Votes)
olution Given that 8425s 84n 30Degrees of freedom    See Answer
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