Question: Using the five class intervals 100 to 120, 120 to 140, . . . , 180 to 200, devise a frequency distribution based on 70

Using the five class intervals 100 to 120, 120 to 140, . . . , 180 to 200, devise a frequency based on 70 observations whose histogram could be described as follows:
a. symmetric
c. positively skewed
b. bimodal
d. negatively skewed

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