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The following data represent the length of life in years, measured to the nearest tenth, of 30 similar fuel pumps: 2.0 3.0 0.3 3.3 0.4 1.3 0.2 4.7 0.2 6.0 5.5 6.5 2.3 1.5 4.5 4.0 5.9 1.8 0.7 0.3 1.5 0.5 2.5 5.0 1.2 0.2 1.0 6.0 5.6 6.0 Do the following: a) Compute for the skewness (Pearson's first coeff.) and the kurtosis of the data. b) Construct a stem-and-leaf plot for the life in years of the fuel pumps, using the digit to the left of the decimal point as the stem for each observation. c) Set up a relative frequency distribution.

The following data represent the length of life in years, measured to the nearest tenth, of 30 similar fuel pumps: 2.0 3.0 0.3 3.3 0.4 1.3 0.2 4.7 0.2 6.0 5.5 6.5 2.3 1.5 4.5 4.0 5.9 1.8 0.7 0.3 1.5 0.5 2.5 5.0 1.2 0.2 1.0 6.0 5.6 6.0 Do the following: a) Compute for the skewness (Pearson's first coeff.) and the kurtosis of the data. b) Construct a stem-and-leaf plot for the life in years of the fuel pumps, using the digit to the left of the decimal point as the stem for each observation. c) Set up a relative frequency distribution.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.6: Wind And Water Current Problems
Problem 9P
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The following data represent the length of life in years, measured to the nearest tenth, of 30 similar fuel pumps: 2.0 3.0 0.3 3.3 0.4 1.3 0.2 4.7 0.2 6.0 5.5 6.5 2.3 1.5 4.5 4.0 5.9 1.8 0.7 0.3 1.5 0.5 2.5 5.0 1.2 0.2 1.0 6.0 5.6 6.0 Do the following: a) Compute for the skewness (Pearson's first coeff.) and the kurtosis of the data. b) Construct a stem-and-leaf plot for the life in years of the fuel pumps, using the digit to the left of the decimal point as the stem for each observation. c) Set up a relative frequency distribution.
Transcribed Image Text:The following data represent the length of life in years, measured to the nearest tenth, of 30 similar fuel pumps: 2.0 3.0 0.3 3.3 0.4 1.3 0.2 4.7 0.2 6.0 5.5 6.5 2.3 1.5 4.5 4.0 5.9 1.8 0.7 0.3 1.5 0.5 2.5 5.0 1.2 0.2 1.0 6.0 5.6 6.0 Do the following: a) Compute for the skewness (Pearson's first coeff.) and the kurtosis of the data. b) Construct a stem-and-leaf plot for the life in years of the fuel pumps, using the digit to the left of the decimal point as the stem for each observation. c) Set up a relative frequency distribution.
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