Question

2. An economist wants annual amount spent on clothing and members and family income ten families for estimation ie the relationship between the she uses the following data of s to determine detand elat of family the number Annual expenditure Number of (%) on clothing . | Annual family°(%) 1,000)tamily members income (1,000) 35 25 15 37 48 27 0.9 3.8 35 35 25 51 0 4.0 ら The least-square estimate is ,s-1.43+0.446x +.080 a) Give an interpretation for the net b) Calculate the SSE and use it c) →u egression coefficient 0.446 in the contex o the above data. to compute the coefficient of multiple determination, 2 Give an interpretation for your comput multiple determination ed coefficient of expenditure on clothing for all the families ofa i average with income $30,000. nd a 95% confidence interval for the d) Fi Test H: βι β2-0 against Hi : one or more of βι and β'o. (use ANOVA table and the F Statistics to test the overall e) α-0.05. significance of the regression). α-o.os with . H :β.<0.5 «,:A-0.5 .1631. against Test 2.53f) in reascin one mumber Hhu vuad exped(25 p as3 (Use 9.7016 1691 1.. 83예

Answer 1

Solulion given cala 12, 2, 3.4,駕,S, 3 X2 2- e( 35, 25,5, за, 40, 2?, 35, 35, 25,51 i Medin 6 22So , 4455? o 1G3y O oo

dom Muliple !2.2 on 2 and A) hon or amac R. 2 330 ean8 82.oq mmocel d) fane ( χ! er Xt:飞).in:auakabiderte :5, 3. 20168s 2.312e e Confidence ntevu l 23136

E) p- volue: o. cia? valueO. COIG alpha value hypothe is Conclude Hol neve.