Question

Disk drives have been getting larger. Their capacity is now often given in terabytes​ (TB) where 1 TB=1000 ​gigabytes, or about a trillion bytes. A survey of prices for external disk drives found the data shown to the right. For this​ data, we want to predict Price from Capacity.

Capacity: Price:

.5 59.00

1 77.45

2 115.00

3 105.95

4 142.45

6 423.95

8 599.79

12 1075.45

32 4463.00

Find the slope

Answer 1

Slope = b = 142.283