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A sample of 28 student scores on the chemistry midterm

A sample of 28 student scores on the chemistry midterm exam is shown.

(a) At 5 .10, does the population median differ from 50? Make a worksheet in Excel for your calculations.

(b) Make a histogram of the data. Would you be justified in using a parametric t test that assumes normality? Explain.

(a) At 5 .10, does the population median differ from 50? Make a worksheet in Excel for your calculations.

(b) Make a histogram of the data. Would you be justified in using a parametric t test that assumes normality? Explain.

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