Estimate the regression parameters, infant mortality rate

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Reference no: EM13953382

Table E8.3 gives the net food supply (x, number of calories per person per day) and the infant mortality rate ( y, number of infant deaths per 1000 live births) for certain selected countries before World War II.

TABLE E8.3

Country	x	y	Country	x	y
Argentina	2730	98.8	Iceland	3160	42.4
Australia	3300	39.1	India	1970	161.6
Austria	2990	87.4	Ireland	3390	69.6
Belgium	3000	83.1	Italy	2510	102.7
Burma	1080	202.1	Japan	2180	60.6
Canada	3070	67.4	Netherlands	3010	37.4
Chile	2240	240.8	New Zealand	3260	32.2
Cuba	2610	116.8	Sweden	3210	43.3
Egypt	2450	162.9	U.K.	3100	55.3
France	2880	66.1	U.S.	3150	53.2
Germany	2960	63.3	Uruguay	2380	94.1

(a) Draw a scatter diagram to show a possible association between the infant mortality rate (used as the dependent variable) and the net food supply and check to see if a linear model is justified.

(b) Estimate the regression parameters, the infant mortality rate for a country with a net food supply of 2900 calories per person per day, and draw the regression line on the same graph with the scatter diagram.

(d) Calculate the coefficient of determination and provide your interpretation.

Reference no: EM13953382

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