The following model was fitted to a sample of 30 families in order to explain household milk

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The following model was fitted to a sample of 30 families in order to explain household milk consumption:

y = b0 + b1x1 + b2x2 + e where y = milk consumption, in quarts per week x1 = weekly income, in hundreds of dollars x2 = family size The least squares estimates of the regression parameters were as follows:

b0 = -0.025 b1 = 0.052 b2 = 1.14 The estimated standard errors were as follows:
sb1 = 0.023 sb2 = 0.35 The total sum of squares and regression sum of squares were found to be as follows:
SST = 162.1 and SSR = 88.2

a. Test the null hypothesis:
H0 : b1 = b2 = 0

b. Set out the analysis of variance table.

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Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9781292436845

10th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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