Life Expectancy. Figure 5.32 shows the life expectancy of Americans at birth since 1950. How much has life expectancy increased (in absolute and relative terms) since 1950? Based on your answer to part (a), do you consider the graph to be deceptive? Explain. Redraw the graph with a starting point of zero on the vertical axis. Which version of the graph (the original below or your redrawn version) do you consider more useful for showing trends in life expectancy? Why?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Life Expectancy. Figure 5.32 shows the life expectancy of Americans at birth since 1950.
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How much has life expectancy increased (in absolute and relative terms) since 1950?
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Based on your answer to part (a), do you consider the graph to be deceptive? Explain.
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Redraw the graph with a starting point of zero on the vertical axis. Which version of the graph (the original below or your redrawn version) do you consider more useful for showing trends in life expectancy? Why?
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