Problem 8 (2)

Problem 8 (2) - Year Private_Industry...

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8. The U.S. Bureau of Labor Statistics provides data on the year-to-year percentage changes in the wages and salaries of workers in private industries, including both “white-collar” and “blue-collar” occupations. Here we consider selected annual data in the information shown below, by using a simple linear regression model between the yearly changes in the wages and salaries of white-collar and blue-collar workers  in the United States over the given time period? Explain. Percent Change in U.S. Wages and Salaries of Private Industry Workers
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Unformatted text preview: Year Private_Industry White_Collar_Occupations Blue_Collar_Occupations 1980 9.1 8.6 9.6 1981 8.8 9.1 8.5 1982 6.3 6.5 5.6 1983 4.9 6.0 3.8 1984 4.2 4.3 3.6 1985 4.1 4.9 3.4 1986 3.2 3.4 2.6 1987 3.3 3.7 3.0 1988 4.1 4.7 3.2 1989 4.1 4.7 3.5 1990 4.0 4.1 3.5 1991 3.7 3.8 3.4 1992 2.6 2.7 2.6 1993 3.1 3.3 2.9 1994 2.8 2.8 2.8 1995 2.8 2.9 2.9 1996 3.4 3.5 3.0 1997 3.9 4.3 3.2 1998 3.9 4.2 3.2 1999 3.5 3.5 3.4 2000 3.9 4.0 3.7 2001 3.8 3.7 3.9 2002 3.6 3.9 3.9 2003 2.6 3.6 4.1 2004 2.6 3.6 4.6 a. by using a simple linear regression model is there evidence of a strong relationship...
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Problem 8 (2) - Year Private_Industry...

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