3. Tell whether each situation represent positive, negative, or no correlation.
-The amount of time spent on the computer instant messaging your friends and the number of computers in your house
4. Tell whether each situation represent positive, negative, or no correlation.
-The number of years a person went to school and their income
5. Tell whether each situation represent positive, negative, or no correlation.
-The age of a house and the number of people living in the house
3. No correlation (the amount of time spent on the computer instant messaging your friends does not depend on the number of computers in your house)
4. Positive correlation (as the number of years a person went to school increases, their income tends to increase)
5. No correlation (the age of a house does not depend on the number of people living in the house)