Youth unemployment
The United Nations has developed a set of millennium goals for countries, and the United Nations Statistics Division (UNSD) maintains databases to measure economic progress toward these goals (unstats.un.org/unsd/mdg). Data extracted from this source are on the disk. One measure that is tracked is the youth (ages 15-24) unemployment rate in different coun- tries. Is the unemployment rate for the male youth related to the unemployment rate for the female youth?
a) Find a regression model predicting Male Rate from the
a) Is there an association between the hardness of the water and the mortality rate? Write the appropriate hypothesis.
b) Assuming the assumptions for regression inference are met, what do you conclude?
c) Create a 95% confidence interval for the slope of the true line relating calcium concentration and mortality.
d) Interpret your interval in context.