1. State in each of following cases whether you would expect the relationship between given variables to be positive or negative or neither.

a) An individual's height and weight.   

b) The number of hours which a runner practices and his time for 1-mile race. 

c) A college student's cumulative grade point average and number of hours per week that she works at job. 

d) The number of automobile accidents and amount of insurance premium that the driver has to pay. 

e) The percentage of nitrogen in fertilizer and the height to which treated plant will grow.

f) The amount of alcohol consumed by the individual and length of time in which he or she responds to given stimulus. 

g) The amount of alcohol consumed by the individual and number of teachers at that individual's previous high school.