Concept explainers
Grade point Averages. One hundred seniors were chosen at random from a graduating class at a university and their grade-point averages recorded
(A) Construct a frequency and relative frequency table using a class interval of
(B) Construct a histogram.
(C) Construct a frequency
(D) Construct a cumulative frequency and relative cumulative frequency table. What is the
probability of a GPA drawn at random from the sample being over
(E) Construct a cumulative frequency polygon.
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