Question

Correlation and Regression Analysis

Question 1                 

For each of the following pairs of variables, indicate whether you would expect a positive correlation, a negative correlation or a zero correlation. Explain your choices briefly.

1. Interest rate and number of mortgage applications.
2. Interest rate and money saved in building societies.
3. Height and IQ.
4. Height and shoe size.
5. Temperature in London and temperature in Birmingham.
6. Temperature in London and temperature in Sydney.
7. Mark in Mathematics exam and mark in Latin exam.
8. Mark in Mathematics exam and mark in Cookery exam.
9. A virus outbreak in Chile and the British Airways share price.

Answer 1