Please and 7.6(a) in its entirety, thanks! is the test rejectiv. It is conjectured that boys may benefit from small classes more than girls. What null and alter-native hypothesis would you test to examine this conjecture? [Hint: Let the conjecture be thealternative hypothesis.]7.6 In 1985, the state of Tennessee carried out a statewide experiment with primary school students. Teach-ers and students were randomly assigned to be in a regular-sized class or a small class. The outcomeof interest is a student's score on a math achievement test (MATHSCORE). Let SMALL = 1 if thestudent is in a small class and SMALL = 0 otherwise. The other variable of interest is the number ofyears of teacher experience, TCHEXPER. Let BOY= 1 if the child is male and BOY = 0 if the childis female.a. Write down the econometric specification of the linear regression model explaining MATHSCOREas a function of SMALL, TCHEXPER, BOY and BOY X TCHEXPER, with parameters B₁, B₂,....i. What is the expected math score for a boy in a small class with a teacher having 10 years ofexperience?ii. What is the expected math score for a girl in a regular-sized class with a teacher having10 years of experience?iii. What is the change in the expected math score for a boy in a small class with a teacher having11 years of experience rather than 10?iv. What is the change in the expected math score for a boy in a small class with a teacher having13 years of experience rather than 12?v. State, in terms of the model parameters, the null hypothesis that the marginal effect of teacherexperience on expected math score does not differ between boys and girls, against the alterna-tive that boys benefit more from additional teacher experience. What test statistic would you useto carry out this test? What is the distribution of the test statistic assuming then null hypothesisis true, if N = 1200? What is the rejection region for a 5% test?b. Modify the model in part (a) to include SMALL X BOY.i. What is the expected math score for a boy in a small class with a teacher having 10 years ofexperience?ii. What is the expected math score for a girl in a regular-sized class with a teacher having10 years of experience?iii. What is the expected math score for a boy? What is it for a girl? mead7 Using Indicator VariablesTAB iv. State, in terms of the part (b) model parameters, the null hypothesis that the expected mathscore does not differ between boys and girls, against the alternative that there is a difference inexpected math score for boys and girls. What test statistic would you use to carry out this test?What is the distribution of the test statistic assuming the null hypothesis is true, if N = 1200?What is the rejection region for a 5% test?7.7 Can monetary policy reduce the impact of a severe recession? A natural experiment is provided bythe State of Mississippi. In December of 1930, there were a series of bank failures in the southern1o o United States. The central portion of Mississippi falls into two Federal Reserve Districts: the sixthb(Atlanta Fed) and the eighth (St. Louis Fed). The Atlanta Fed offered "easy money" to banks whileto the St. Louis Fed did not. On July 1, 1930 (just before the crisis), there were 105 State Charter banksin Mississippi in the sixth district and 154 banks in the eighth district. On July 1, 1931 (just afterand the crisis), there were 96 banks remaining in the sixth district and 126 in the eighth district. Thesedah data values are from Table 1, Gary Richardson and William Troost (2009) "Monetary InterventionMitigated Banking Panics during the Great Depression: Quasi-Experimental Evidence from a FederalBal Reserve District Border, 1929-1933," Journal of Political Economy, 117(6), 1031-1073.a. Let the eighth district be the control group and the sixth district be the treatment group. Construct(a) una figure similar to Figure 7.3 using the four observations rather than sample means. Identify the08 D 108Isbor treatment effect on the figure.to b. How many banks did each district lose during the crisis? Calculate the magnitude of the treatmenteffect using (7.18) with these four observations, rather than sample meansf. The e-a hou(S.IT live inhome7.9 Supposemonth) avariable7.13 a. Letvariom at & WEb. Lechbrs vil CoCsa

Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case you require the unanswered parts also, kindly re-post that parts separately. From the given information, The outcome of interest is a student's score on a math achievement test (MATHSCORE). SMALL=1 if the student is in a small class0 otherwise BOY=1 if the child is male0 if the child is female TCHEXPER = number of years of teacher experience. a. The regression model in the given situation is, MATHSCORE=β0+β1SMALL+β2TCHEXPER+β3BOY+β4BOY×TCHEXPER i) The expected math score for a boy in a small class with a teacher having 10 years of experience: Substitute BOY=1, SMALL=1, TCHEXPER=10 in the regression equation. Therefore, MATHSCORE=β0+β1+10β2+β3+β41*10MATHSCORE=β0+β1+10β2+β3+10β4 ii) The expected math score for a girl in a regular-sized class with a teacher having 10 years of experience: Substitute BOY=0, SMALL=0, TCHEXPER=10 in the regression equation. Therefore, MATHSCORE=β0+β1*0+10β2+β3*0+β40*10MATHSCORE=β0+10β2 iii) Consider, The expected math score for a boy in a small class with a teacher having 11 years of experience: Substitute BOY=1, SMALL=1, TCHEXPER=11 in the regression equation. Therefore, MATHSCORE=β0+β1+11β2+β3+β41*11MATHSCORE=β0+β1+11β2+β3+11β4 The change in the expected math score for a boy in a small class with a teacher having 11 years experience rather than 10 is, Change=β0+β1+11β2+β3+11β4-β0+β1+10β2+β3+10β4 =β0+β1+11β2+β3+11β4-β0-β1-10β2-β3-10β4 =β2-β4 iv) Consider, The expected math score for a boy in a small class with a teacher having 13 years of experience: Substitute BOY=1, SMALL=1, TCHEXPER=13 in the regression equation. Therefore, MATHSCORE=β0+β1+13β2+β3+β41*13MATHSCORE=β0+β1+13β2+β3+13β4 The expected math score for a boy in a small class with a teacher having 12 years of experience: Substitute BOY=1, SMALL=1, TCHEXPER=12 in the regression equation. Therefore, MATHSCORE=β0+β1+12β2+β3+β41*12MATHSCORE=β0+β1+12β2+β3+12β4 The change in the expected math score for a boy in a small class with a teacher having 13 years experience rather than 12 is, Change=β0+β1+13β2+β3+13β4-β0+β1+12β2+β3+12β4 =β0+β1+13β2+β3+13β4-β0-β1-12β2-β3-12β4 =β2-β4