Statistics Homework Solutions 5

Statistics Homework Solutions 5 - imately 0 12 045 045 02...

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SECTION 1.3 5 (b) 10 15 20 25 30 Measurement (cm) Group 1 Group 2 (c) The measurements in Group 1 are generally larger than those in Group 2. The measurements in Group 1 are not far from symmetric, although the boxplot suggests a slight skew to the left since the median is closer to the third quartile than the first. There are no outliers. Most of the measurements for Group 2 are highly concentrated in a narrow range, and skewed to the left within that range. The remaining four measurements are outliers. 7. (a) The proportion is the sum of the relative frequencies (heights) of the rectangles above 130. This sum is approx-
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Unformatted text preview: imately 0 12 045 045 02 005 005 24. This is closest to 25%. (b) The height of the rectangle over the interval 130135 is greater than the sum of the heights of the rectangles over the interval 140150. Therefore there are more women in the interval 130135 mm. 9. (a) 1 3 5 7 9 11 13 15 17 19 21 23 25 3 6 9 12 15 18 Frequency Emissions (g/gal)...
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This note was uploaded on 12/20/2011 for the course STA 3163 taught by Professor Mattgilg during the Fall '11 term at UNF.

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