What is the OLS estimated linear regression equation with an

What is the OLS estimated linear regression equation with annual income and household size as the regressors? Perform the t tests on the estimated coefficients to determine whether or not the constant is needed and the two independent variables are acceptable

excel is used for the analysis

in the above table all p values are lesser than 0.05, hence the two regressors are significant.


Regression Analysis

	R²	0.820
	Adjusted R²	0.812	n	50
	R	0.905	k	2
	Std. Error	407.401	Dep. Var.	amount charged

ANOVA table
Source	SS	df	MS	F	p-value
Regression	35,482,612.4048	2	17,741,306.2024	106.89	3.25E-18
Residual	7,800,864.4152	47	165,975.8386
Total	43,283,476.8200	49


Regression output				confidence interval
variables	coefficients	std. error	t (df=47)	p-value	95% lower	95% upper
Intercept	1,284.7149	202.2775	6.351	7.90E-08	877.7851	1,691.6447
income	34.4784	4.0607	8.491	4.76E-11	26.3093	42.6475
houehold sizze	348.6039	33.9774	10.260	1.39E-13	280.2502	416.9576

What is the OLS estimated linear regression equation with annual income and household size as the regressors? Perform the t tests on the estimated coefficients

What is the OLS estimated linear regression equation with an

Solution

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