Consider the frequency distribution of exam scores given below. Class Frequency 50 < 60 4 60 < 70 9 70 < 80 15 80 < 90 7 90 < 100 15 (a & b) Fill in the following table. Class Frequency Cumulative Frequency Percent Frequency Cumulative % Frequency 50 < 60 4 % % 60 < 70 9 % % 70 < 80 15 % % 80 < 90 7 % % 90 < 100 15 % % Total 50 % (c) Choose a percent frequency polygon.
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- For the class 50-60: Cumulative frequency = 4 - For the class 60-70: Cumulative frequency = 13 - For the class 70-80: Cumulative frequency = 28 - For the class 80-90: Cumulative frequency = 35 - For the class 90-100: Cumulative frequency = 50 Show more…
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