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ACTIVITY 1 For items no. 1 and 2, SHOW ME WHAT YOU KNOW... Component Hard disk Monitors keyboards Mouse Speakers 1. Find the lower quartile 2. Find the upper quartile Quantity 290 370 260 180 430 ACTIVITY 1 For items no . 1 and 2 , SHOW ME WHAT YOU KNOW ... Component Hard disk Monitors keyboards Mouse Speakers 1. Find the lower quartile 2. Find the upper quartile Quantity 290 370 260 180 430