Question

00:46:48 Consider the relationship between the number of bids an item on eBay received and the item's selling price. The following is a sample of 5 items sold through an auction 50 Price in Dollars 26 35 38 41 Number of Bids 13 14 16 18 19 Copy Data Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places. Answer How to Enter) 2 Points Keypad Keyboard Shortcuts < Prev NO

Answer 1

	X	Y	XY	X2	Y2
	26	13	338	676	169
	35	14	490	1225	196
	38	16	608	1444	256
	41	18	738	1681	324
	50	19	950	2500	361
Sum =	190	80	3124	7526	1306

SSX9 correlation coefficient (2) Jssxssyy Ssxy = {Xiyi (Exi)(EY 3124 I (190x89) 84 5 ssxy = 84

ssxx = {x;2 E x;2 - (Exi)? 7526 1 (190) 5 (ssxx 306 2 SSY EY:? (نوع) 1306 I (802 5 Ssyy 7 - = 0.942 84 S306 X26 o.942

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