JMP OUTPUT

Cameras come with many options, and it appears that the more that you want, the higher the cost of the camera. Variables that may relate to the cost of a camera are given in the following table where y = cost X₁ = megapixels, X₂ = weight (oz), and X₃ = optical zoom

X1	X2	X3	Y
14	6	10	300
14	5	4	250
10	7	10	350
10	5	4	400
12	6	4	150
12	6	4	180
14	4	5	140
12	6	5	300
12	6	5	300
14	5	5	200
14	5	7	250
14	4	4	200
10	7	3	110

Response Y

Summary of Fit

RSquare	0.478258
RSquare Adj	0.304344
Root Mean Square Error	72.42902
Mean of Response	240.7692
Observations (or Sum Wgts)	13

Analysis of Variance

Source	DF	Sum of Squares	Mean Square	F Ratio
Model	3	43278.645	14426.2	2.7500
Error	9	47213.663	5246.0	Prob > F
C. Total	12	90492.308		0.1046

Parameter Estimates

Term	Estimate	Std Error	t Ratio	Prob>|t|	Lower 95%	Upper 95%
Intercept	854.90341	369.2327	2.32	0.0458*	19.641117	1690.1657
X1	-38.13793	18.72791	-2.04	0.0722	-80.5034	4.2275472
X2	-51.55848	33.43421	-1.54	0.1574	-127.1919	24.074968
X3	27.240146	10.48207	2.60	0.0288*	3.5280541	50.952237

Prediction Expression