Refer to the analysis of the disproportionate number of software millionaires who were born around the year

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Refer to the analysis of the disproportionate number of software millionaires who were born around the year 1955, Exercise 11.23. Recall that on his Web blog (www.measuringusability.com), statistical consultant Jeff Sauro investigated this question by analyzing the data shown in the accompanying table.

Number of CEO Total U.S. Births Decade (millions) Number of Birthdays (in a random sample of 70 companles from the Fortu

a. Compute Spearman's rank correlation coefficient, rs, relating number (y) of software millionaire birthdays in a decade to total number (x) of U.S. births.
b. Refer to part a. Is there evidence of positive rank correlation between y and x? Test using Î± = .05.
c. Compute Spearman's rank correlation coefficient, rs, relating number (y) of software millionaire birthdays in a decade to number (x) of CEO birthdays.
d. Refer to part c. Is there evidence of positive rank correlation between y and x? Test using a = .05.

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Question Posted: Nov 22, 2017 07:57 AM

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Refer to the analysis of the disproportionate number of software millionaires who were born around the year

Question:

Number of CEO Total U.S. Births Decade (millions) Number of Birthdays (in a random sample of 70 companles from the Fortune 500 list) Software Millionaire Birthdays 1920 1930 1940 1950 1960 28.582 24.374 31.666 3 2 2 23 38 10 14 40.530 38.808 1970 33.309

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a Some preliminary calculations b To determine if there is positive rank correlation between total U...View the full answer

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