The marketing manager of a large supermarket chain has the business objective of using shelf space most efficiently. Toward that goal, she would like to use shelf space to predict the sales of pet food. Data are collected from a random sample of 12 equal-sized stores, with the following results:

Store	Shelf Space (X)(Feet)	Weekly Sales (Y)($)
1	5	160
2	5	220
3	5	140
4	10	190
5	10	240
6	10	260
7	15	230
8	15	270
9	15	280
10	20	260
11	20	290
12	20	310

Determine the coefficient of correlation. Keep to 4 decimal places.?

Determine the coefficient of determination. Keep to 4 decimal places.?

What is the value of the test statistic to determine whether there is a linear relationship between the two variables? Keep to 4 decimal places.?

What is the p-value to determine whether there is a linear relationship between the two variables? Keep to 4 decimal places.?