2. Life expectancy at birth (in years) is shown for a random sample of 60 countries in 1979. The data are drawn from the United Nations Human Development Report: 76.7 64 71.1 40.1 52.3 64.5 74.4 78.6 69.5 62.6 57.9 42.4 69.5 73 50.8 78 71 66.6 48.6 76.9 70 68.9 70 72.4 65.1 39.3 69.6 47.9 73.1 72.9 58 69.9 44.9 51.7 74 69.4 70.5 57.3 45 65.4 78.5 73.9 73 64.4 69.5 45.2 78.1 78.5 71.4 64 48.5 64 66.3 72.9 78.1 47.2 72.4 68.2 72 76 78.1 a. Calculate the following descriptive statistics for these data: mean, variance, skewness and kurtosis. b. Write a brief summary of your findings about the distribution of life expectancy in these countries.
2. Life expectancy at birth (in years) is shown for a random sample of 60 countries in 1979. The data are drawn from the United Nations Human Development Report: 76.7 64 71.1 40.1 52.3 64.5 74.4 78.6 69.5 62.6 57.9 42.4 69.5 73 50.8 78 71 66.6 48.6 76.9 70 68.9 70 72.4 65.1 39.3 69.6 47.9 73.1 72.9 58 69.9 44.9 51.7 74 69.4 70.5 57.3 45 65.4 78.5 73.9 73 64.4 69.5 45.2 78.1 78.5 71.4 64 48.5 64 66.3 72.9 78.1 47.2 72.4 68.2 72 76 78.1 a. Calculate the following descriptive statistics for these data: mean, variance, skewness and kurtosis. b. Write a brief summary of your findings about the distribution of life expectancy in these countries.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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2. Life expectancy at birth (in years) is shown for a random sample of 60 countries in 1979.
The data are drawn from the United Nations Human Development Report:
76.7 64 71.1 40.1 52.3 64.5 74.4 78.6 69.5 62.6 57.9 42.4 69.5 73 50.8 78 71 66.6 48.6
76.9 70 68.9 70 72.4 65.1 39.3 69.6 47.9 73.1 72.9 58 69.9 44.9 51.7 74 69.4 70.5 57.3 45
65.4 78.5 73.9 73 64.4 69.5 45.2 78.1 78.5 71.4 64 48.5 64 66.3 72.9 78.1 47.2 72.4 68.2
72 76 78.1
a. Calculate the following
and kurtosis.
b. Write a brief summary of your findings about the distribution of life expectancy in these
countries.
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