If a dataset has values ranging from 10 to 95 and you decide to use a class width of 10, how many classes would be needed for an exclusive frequency distribution?
Explanation:
Range = 95 - 10 = 85. Number of classes = Range / Class width = 85 / 10 = 8.5, rounded up to 9 classes to cover the entire data range without gaps.
Explanation:
Demographic questions, especially sensitive ones like income or caste, are often placed at the end to avoid respondent discomfort early in the survey, which could lead to dropouts.
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