The data below represents the weight and price for 10 randomly selected pieces of gold.

Weight (Ounces)

Price (Dollars)

0.3

510

0.4

1151

0.5

1343

0.5

1410

1.0

5669

0.7

2277

a. Construct a scatter plot. What does the scatterplot suggest about a linear correlation between time and distance?

b. Find the value of the linear correlation coefficient and determine whether there is sufficient evidence to support the claim of a linear correlation between weight and price of gold.

Use a significance level of 0.05.