Obtain a set of test scores from your instructor.
(a) Determine the mean, median, mode, and midrange of the test scores.
(b) Determine the range and standard deviation of the set of scores. (You may round the mean to the nearest tenth when finding the standard deviation.)
(c) Construct a frequency of the set of scores. Select your first class so that there will be between 5 and 12 classes.
(d) Construct a histogram and frequency polygon of the frequency in part (c).
(e) Does the histogram in part (d) appear to represent a normal Explain.
(f) Use the procedure explained in Exercise 84 to deter-mine whether the set of scores approximates a normal Explain.
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