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Unformatted text preview: Designed Experiment. e) What type of data were collected, quantitative (state ratio or interval) or qualitative (ordinal or nominal)? (2 Points) Quantitative – Ratio Qualitative – Nominal Problem 2: Consider following sample of 10 quantitative measurements: 27 34 21 32 32 32 22 33 42 36 a) Construct a StemandLeaf display, be sure to label your stem and leaf unit clearly. (5 Points) Stem (unit = 10) Leaf (unit = 1) 2 1, 2, 7 3 2, 2, 2, 3, 4, 6 4 2 b) Construct a Relative Frequency Histogram, using class interval width of 5 and the lower boundary of the first class as 20 . Describe the shape of the Histogram. (5 Points) 0.2 0.1 0.5 0.1 0.1 0.2 0.4 0.6 20 – 24 25 – 29 30 – 34 35 – 39 40 – 44 Relative Frequency Class Interval Relative Frequency Histogram Class Interval Frequency Rel. Freq. 1 20 – 24 2 0.2 2 25 – 29 1 0.1 3 30 – 34 5 0.5 4 35 – 39 1 0.4 5 40 – 44 1 0.1 Right Skewed...
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This note was uploaded on 11/16/2011 for the course BA 240 taught by Professor Li during the Fall '08 term at Bellevue College.
 Fall '08
 Li

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