Male unemployment, part 2.

Refer to the United Nations data referenced in Exercise 28.

Here is a scatterplot showing the regression line, 95% confidence interval, and 95% prediction interval, using 2005 and 2004 male unemployment data for a sample of 52 nations. The response variable is the 2005-Male Rate, and the predictor variable is the 2004-Male Rate.

a) Explain the meaning of the 95% prediction interval in this context.

b) Explain the meaning of the 95% confidence interval in this context.

c) Identify the unusual observation, and discuss its potential impact on the regression.

Transcribed Image Text:

2005-Male 70+ 78 60- 50+ 40+ 30- 20- 20 10- 0 10 20 30 + 40 50 60 20 70 2004-Male Regression S 3.73108 95% CI R-Sq 84.2% 95% Pl R-Sqladi) 81.8%