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In a stem-and-leaf graph, what does the leaf of each observation consist of?
AThe final significant digit of the value
BThe first significant digit of the value
CThe count of values sharing that stem
DThe average of values sharing that stem
Answer & Solution
Correct answer: A. The final significant digit of the value
1. Every observation is split into a stem and a leaf.
2. The leaf is the final significant digit of the number, so 23 gives stem two and leaf three.
3. Counts and averages belong to a frequency table, not to a stemplot, so the remaining choices describe a different display.
_Source: OpenStax Introductory Business Statistics (CC BY 4.0), Ch 2 "Descriptive Statistics", section 2.1 Display Data_
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