Question

a math teacher observed the number of hours students studied their multiplication facts and the number of errors the students made on their multiplication facts. match each scatter - plot with its type of correlation. graph a multiplication tests y number of errors x 0 1 2 3 4 5 2 4 6 8 10 study time (hours) graph b multiplication tests y number of errors x 0 1 2 3 4 5 2 4 6 8 10 study time (hours) graph c multiplication tests y number of errors x 0 1 2 3 4 5 2 4 6 8 10 study time (hours)

Explanation:

Step1: Analyze Graph A

As study - time (x - axis) increases, the number of errors (y - axis) also increases. So, it shows a positive correlation.

Step2: Analyze Graph B

There is no clear pattern as study - time increases or decreases and the number of errors. So, it shows no correlation.

Step3: Analyze Graph C

As study - time increases, the number of errors decreases. So, it shows a negative correlation.

Answer:

Graph A: Positive correlation
Graph B: No correlation
Graph C: Negative correlation