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quiz1Sp2011_key

# quiz1Sp2011_key - from 0 to 7 Answer bin number 0–1 9...

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NAME: Stat 205 Quiz 1 1. Say eye color and height are collected on each student in this class. (a) Eye color is continuous categorical (circle one). (b) Height is continuous categorical (circle one). 2. The following are n = 20 times in minutes to complete a task involving stacking blocks given to preschoolers. 1.8 6.7 3.3 0.7 2.1 0.6 0.2 0.8 2.1 0.3 1.1 1.4 1.4 0.9 2.7 0.1 0.7 0.8 4.1 5.7 (a) Create a histogram for these data using 7 equally-spaced (e.g. length 1 minute) bins
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Unformatted text preview: from 0 to 7. Answer: bin number 0–1 9 1–2 4 2–3 3 3–4 1 4–5 1 5–6 1 6–7 1 1. 2. 3. 4. 5. 6. 7. 2 4 6 8 (b) Describe the histogram in terms of symmetry, skew, and the number of modes. Answer: Asymmetric, skewed right, unimodal....
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