Youth unemployment, again. Here is a scatterplot showing the regression line, 95% confidence intervals, and 95%

prediction intervals, using 2015 and 2016 male unemployment data for a sample of 33 nations. The response variable is the 2016-Male Rate, and the predictor variable is the 2015-Male Rate.

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

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

c) Using a statistics program, identify any unusual observations, and discuss their potential impact on the regression.

Transcribed Image Text:

Male Rate 2016 + 30 + 445322 40 20 15 10 5 5 + 10 15 20 25 30 35 40 45 50 Male Rate 2015 Regression S 1.83 95% CI R-Sq 96.4% 95% PI R-Sq(adj) 96.3%