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For a numerical variable, instead of categories, we construct a series of intervals (sometimes called classes). We must make certain decisions about the number of intervals, as well as the width of each interval. Which of the following is a guideline for developing the intervals?Select all that apply Multiple select question.-The total number of intervals in a frequency distribution usually ranges from 5 to 20-Interval limits are easy to recognize and interpret-Intervals are NOT mutually exclusive-Intervals are exhaustive
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