Question

From the list below, choose the best example of two data sources that would be POSITIVELY correlated:

		'Hours spent playing video games' and GPA
		The age of a man and amount of hair on head
		The number of hours studied and exam grades
		Number of purchases made from a vending machine and number of snacks left

Answer 1

From the list below, choose the best example of two data sources that would be POSITIVELY correlated:

The number of hours studied and exam grades : if number hours increases it chances to increase exam grades .

Number of purchases made from a vending machine and number of snacks left :

if use more vending machines more number of snacks left .

## note : positively correlation  occur when it is a relationship between two variables in which both variables move in tandem that is in the same direction . it is occur when one variable increases other increases and

one decreases other decreases .