Below are the percents of the U.S. labor force (excluding self-employed and unemployed) that are members...

 

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Below are the percents of the U.S. labor force (excluding self-employed and unemployed) that are members of a union. We are interested in whether the decrease is significant. (Source: Bureau of Labor Statistics, U.S. Dept. of Lobor) Year 1945 1950 1960 1970 1980 1986 1993 Percent 35.5 31.5 31.4 27.3 21.9 17.5 15.8 a) Make a scatterplot of the data. Let x 45 represent 1945. b) Describe the scatterplot. c) Calculate the least squares regression line. (Be sure to write your line as described in the notes above). d) Interpret the slope of the LSRL. c) Interpret the y-intercept of the LSRL f) Find and interpret the correlation coefficient (r). g) Use your LSRL to predict for 1980. h) Find the residual for 1980. i) Do you have any concerns about predicting for 2025? Why or why not? Below are the percents of the U.S. labor force (excluding self-employed and unemployed) that are members of a union. We are interested in whether the decrease is significant. (Source: Bureau of Labor Statistics, U.S. Dept. of Lobor) Year 1945 1950 1960 1970 1980 1986 1993 Percent 35.5 31.5 31.4 27.3 21.9 17.5 15.8 a) Make a scatterplot of the data. Let x 45 represent 1945. b) Describe the scatterplot. c) Calculate the least squares regression line. (Be sure to write your line as described in the notes above). d) Interpret the slope of the LSRL. c) Interpret the y-intercept of the LSRL f) Find and interpret the correlation coefficient (r). g) Use your LSRL to predict for 1980. h) Find the residual for 1980. i) Do you have any concerns about predicting for 2025? Why or why not?

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To analyze the data on the US labor force union membership a First well create a scatterplot of the ... View the full answer