Refer to the analysis of the disproportionate number of software millionaires who were born around the year
Question:
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.
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 α = .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.
Step by Step Answer:
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich