Location Per Capita
Income
in dollars
Infant Mortality
per
1000 live births
CNMI 13100 38
FSM 1900 33
Guam 20700 7
Kiribati 600 55
Marshalls 1500 41
Nauru 9400 11
Palau 6400 17
Samoa 1300 33
Vanuatu 1276 63
  1. _______ Calculate the slope of the least squares line for the data.
  2. _______ Calculate the y-intercept of the least squares line.
  3. _______ Is the correlation positive, negative, or neutral?
  4. _______ What is the expected infant mortality rate for a Pacific basin location with a per capita income of 5000 dollars?
  5. _______ What is the expected per capita income for a Pacific basin location with an infant mortality rate of 30?
  6. _______ Calculate the linear correlation coefficient r for the data.
  7. _______ Is the correlation none, low, moderate, high, or perfect?
  8. _______ Calculate the coefficient of determination.
  9. _______ What percent of the variation in the per capita income explains the variation in the infant mortality data?

Sleeping babies then and now...
Sunday 10 February 2002 01 December 2009