An electronics retailer would like to investigate the relationship between the s

Question

An electronics retailer would like to investigate the relationship between the selling price of a certain digital camera model and the demand for it. The accompanying table shows the weekly demand for the camera in one particular market along with the corresponding price. Determine the sample correlation coefficient between the selling price and the demand for this camera.

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Demand

Price

17

340

22

350

16

360

13

370

12

380

10

390

4

400

requals=nothing

(Round to three decimal places as needed.)

Demand

Price

17

340

22

350

16

360

13

370

12

380

10

390

4

400

Explanation / Answer

correlation

hence r = -0.90507

= -0.905

Column 1 Column 2 Column 1 1 Column 2 -0.90507 1

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