A consumer psychologist wants to know if shoe size and weight are correlated in female adults. She measures the shoe size and asks the weight of 12 consecutive customers. They are as follows:

Size 6, 116 1bs.
Size 5.5, 121 lbs.
Size 10, 165 lbs.
Size 3, 101 lbs.
Size 9.5, 148 lbs.
Size 6, 150 lbs.
Size 10, 167 lbs.
size 5.5, 134 lbs.
Size 7.5, 145 lbs.
Size 8, 201 lbs.
Size 8.5, 138 lbs
Size 5.5, 123 lbs
a. Conduct the Pearson correlation on these data.
b. Test for statistical significance.
c. Graph a scatterplot of the data.