The number of megapixels in a digital camera is one of the most important factors in determining picture quality. But, do digital cameras with more megapixels cost more? The following data show the number of megapixels and the price ($) for 10 digital cameras(Consumer Reports, March 2009). Compute for the standard error of the estimate. Brand and Model Megapixels Price (S) Canon PowerShot SD1100 IS Casio Exilim Card EX-510 Sony Cyber-shot DSC-T70 Pentax Optio M50 Canon PowerShot G10 8 180 200 230 120 470 140 10 15 Canon PowerShot A590 IS Canon PowerShot El Fujifilm FinePix FOOFD Sony Cyber-shot DSC-W170 Canon PowerShot A470 10 180 12 310 10 250 110

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