The World Almanac and Book of Facts includes a section called "Noted Personalities" with subsections comprised of architects, artists, business leaders, cartoonists, social scientists, military leaders, philosophers,political leaders, scientists, writers, composers, entertainers, and others. Design and conduct an observational study that begins with the selection of samples from select groups, to be followed by a comparison of life spans of life spans of people from the different categories. Do any particular group appear to have life spans that are different from the other groups? Can you explain such differences?
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The solution provides step by step method for the calculation of test statistic for two way ANOVA. Formula for the calculation and Interpretations of the results are also included.