The number of megapixels in a digital camera is
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?
Enter negative values as negative numbers.
a.Use these data to develop an estimated regression equation that can be used to predict the price of a digital camera given the number of megapixels.
? = (to 4 decimals) + x (to 5 decimals)
b.At the .05 level of significance, are the number of megapixels and the price related?
– Select your answer –
Yes
No
Item 3
c.Would you feel comfortable using the estimated regression equation developed in part (a) to predict the price of a digital camera given the number of megapixels?
– Select your answer –
Yes
No
d.The Kodak EasyShare Z1012 IS digital camera has 10 megapixels. Predict the price of this camera using the estimated regression equation developed in part (a).
$ Round your answer to nearest whole value.
Brand and Model
Megapixels Price ($)
Canon PowerShot SD1100 IS
8
180
Casio Exilim Card EX-510
10
200
Sony Cyber-shot DSC-T70
7
230
Pentax Optio M50
8
120
Canon PowerShot G10
15
470
Canon PowerShot A590 IS
8
140
Canon PowerShot E1
10
180
Fujifilm FinePix F00FD
12
310
Sony Cyber-shot DSC-W170
10
250
Canon PowerShot A470
7
110
