PC World provided ratings for the top five small-office laser printers and five-corporate laser printers (Pc World, February 2003). The highest rated small-office laser printer was the Minolta-QMS...

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Extracted text: PC World provided ratings for the top five small-office laser printers and five-corporate laser printers (Pc World, February 2003). The highest rated small-office laser printer was the Minolta-QMS PagePro 1250W, with an overall rating of 91. The highest rated corporate laser printer, the Xerox Phaser 4400/N, had an overall rating of 83. The following data show the speed for plain text printing in pages per minute (ppm) and the price for each printer. Speed (ppm) Price ($) 12 Name Minolta-QMS PagePro 1250W Brother HL-1850 Lexmark E320 Minolta-QMS PagePro 1250E HP Laserjet 1200 Туре Small Office 199 Small Office 10 499 Small Office 12.2 299 Small Office Small Office 10.3 299 11.7 399 Хегох Phaser 4400/N Согрогate Согрогate |Согрогate Согрогate |Согрогate 17.8 1850 Brother HL-2460N 16.1 1000 IBM Infoprint1120n Lexmark W812 Oki Data B8300n 11.8 1387 19.8 2089 28.2 2200 Find the correct critical value(s) for testing whether printing speed and price are related at the a = 0.05 level of significance. 1. 2.306 II. -2.306 III.1.86 IV. -1.86 V. 1.833 VI. -1.833 VII. 2.262 VIII. -2.262