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1.5. A researcher is investigating how the development of country-level family policies, fampol, is associated with gender wage gap, gap. fampol could be “middle” (reference category), “progressive” or “conservative.” gap is coded as percent wage gap of men and women,

2.2.b. Considering P as a candidate instrumental variable, use Wright’s rules to express the instrumental-variables estimate for the causal effect of T on Y in terms of the path coefficients.

1.8. a. What is the likely effect of measurement error in Parental Aspirations on its coefficient, ?

2.3.d. The researcher notes that the coefficient on Female is almost as large as the coefficient on GPA. They claim that female applicants with top grades enjoy a large advantage in admission over male applicants with top grades. Evaluate this claim.

2.1. A student estimates the following equation with OLS regression: where  WCLAB = the proportion of the working class voting for the Labor Party in a British constituency and CARSPC = the number of cars per capita in each British constituency. Calculate the predicted vote in a district where there are 3 cars per capita. How reasonable is this result?  What would have been a better procedure for estimating this model?

1.5.a. The researcher estimates the association between gap and fampol (additionally controlling for wage structure, strc) using a hierarchical linear model. Why does it make sense to estimate a hierarchical model for these data?

2.3.a. What is the predicted log odds of admission for men with GPA=4.0; and what is the corresponding log odds for women?

Phenylalanine, Tryptophan, and Tyrosine are all derived from which of the following?

Which of the following statements is TRUE about RNA synthesis?

Pyruvate dehydrogenase complex uses which cofactors in order to convert pyruvate to acetyl-CoA?