MATH 321 Lecture Notes - Lecture 5: Frequency Distribution
30 Jun 2019
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A stem-and-leaf plot uses digits to the left of the rightmost digit to form the stem. For example, a data value of 147 would have 14 as the stem and 7 as the leaf. An individual is considered to be unemployed if they do not have a job, but are actively seeking employment. The following data represent the unemployment rate in each of the fifty united. States plus the district of columbia in june, 2008. We let the stem represent the integer portion of the number and the leaf will be the decimal portion. For example, the stem of alabama (4. 7) will be 4 and the leaf will be 7. Step 1 the stem of a data value will consist of the digits to the left of the right-most digit. The leaf of a data value will be the rightmost digit. Step 2 write the stems in a vertical column in increasing order.
