Consumer Reports tested different point-and-shoot digital cameras. Based upon factors such as the number of megapixels, weight (), image quality, and ease of use, they developed an overall score for each camera tested. The overall score ranges from, with higher scores indicating better overall test results. Selecting a camera with many options can be a difficult process, and the price is certainly a key issue for most consumers. By spending more, will a consumer really get a superior camera? And, do cameras that have more megapixels, a factor often considered to be a good measure of picture quality, cost more than cameras with fewer megapixels? Table 14.13 shows the brand, average retail price (), number of megapixels, weight (), and the overall score for Canon and Nikon subcompact cameras tested by Consumer Reports (Consumer Reports website, February 7, 2012). Table 14.13Data for Point-and-Shoot Digital Cameras Q:- Analyze the data using only the observations for the Canon cameras. Discuss the appropriateness of using simple linear regression and make any recommendations regarding the prediction of the overall score using just the price of the camera.
Consumer Reports tested different point-and-shoot digital cameras. Based upon factors such as the number of megapixels, weight (), image quality, and ease of use, they developed an overall score for each camera tested. The overall score
Table 14.13Data for Point-and-Shoot Digital Cameras
Q:- Analyze the data using only the observations for the Canon cameras. Discuss the appropriateness of using simple linear regression and make any recommendations regarding the prediction of the overall score using just the price of the camera.
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