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Chapter 5 · Data Analysis: A Concise Overview of Statistical Techniques · Slide 163/274

Tables and Histograms

From the Table to the Histogram

5.1.2 · Organizing Quantitative DataFrom the Table to the Histogram

Tables and Histograms

Number of ChildrenFrequencyRelative Frequency
133/26 ≈ 0.12
288/26 ≈ 0.31
31010/26 ≈ 0.38
422/26 ≈ 0.08
533/26 ≈ 0.12
→
FREQUENCY02468101212345NUMBER OF CHILDREN
RELATIVE FREQUENCY0.000.100.200.300.400.5012345NUMBER OF CHILDREN
∅ Time in TransitFrequencyRelative Frequency
16–17.911/15 ≈ 0.07
18–19.922/15 ≈ 0.13
20–21.911/15 ≈ 0.07
22–23.966/15 ≈ 0.40
24–25.922/15 ≈ 0.13
26–27.911/15 ≈ 0.07
28–29.911/15 ≈ 0.07
30–31.911/15 ≈ 0.07
→
Average Time in Transit
FREQUENCY01234567161820222426283032TIME (MINUTES)
QUESTIONSTAR · Dr. Paul Marx163 / 274
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