Observation Brand Price ($) Megapixels Weight (oz.) Score 1 Canon 330 10 7 66 2 Canon 200 12 5 66 3 Canon 300 12 7 65 4 Canon 200 10 6 62 5 Canon 180 12 5 62 6 Canon 200 12 7 61 7 Canon 200 14 5 60 8...













































































































































































































































ObservationBrandPrice ($)MegapixelsWeight (oz.)Score
1Canon33010766
2Canon20012566
3Canon30012765
4Canon20010662
5Canon18012562
6Canon20012761
7Canon20014560
8Canon13010760
9Canon13012559
10Canon11016555
11Canon9014552
12Canon10010651
13Canon9012746
14Nikon27016565
15Nikon30016763
16Nikon20014661
17Nikon40014759
18Nikon12014557
19Nikon17016656
20Nikon15012556
21Nikon23014655
22Nikon18012653
23Nikon13012653
24Nikon8012752
25Nikon8014750
26Nikon10012446
27Nikon11012545
28Nikon13014442


  1. Consumer Reports tested 166 different point-and-shoot digital cameras. Based upon factors such as the number of megapixels, weight (oz), image quality, and ease of use, they developed an overall score for each camera tested. The overall score ranges from 0 to 100, with higher scores indicating better overall test results. Selecting a camera with many options can be a difficult process, and 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. Data file named
    Cameras
    contains detailed information on the brand, average retail price ($), number of megapixels, weight (oz.), and the overall scores for the cameras.

  2. Using overall score as the dependent variable, develop an estimated regression equation given price, megapixels, and weight.

  3. What is the “goodness of fit” of your model?

Jun 01, 2022
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