QMS 102 Lecture Notes - Lecture 2: Frequency Distribution, Histogram, Bar Chart
22 Sep 2016
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Rules and convention to construct a stem and leaf plot. The number of stems should be from 6 to 13 stems. The stem units must be indicated if the stem is not to be taken at face value. This order is reversed when the stems are negative values. The leaf values are written in ascending order when positive and descending order when negative. No commas or dashes between the numbers are allowed. To increase the number of stems, you should apply. The stem values should be consecutive numbers or repeated numbers. The numbers may each be repeated twice or 5 times. The stem units must be indicated if the stem is not to be taken at face value: the stem unit must represent the actual data value, blank means that the stem should be taken at face value. There must be at least one leaf associated with the first and last stem.
