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A study is being conducted in which a variable of interest has 1,000 observations. The minimum value in the data set is 300 points and the maximum is 2,900 points.
a. Use the 2k ≥ n guideline to determine the minimum number of classes to use in developing a grouped data frequency distribution.
b. Based on the answer to part a, determine the class width that should be used (round up to the nearest 100 points). |
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