There are lots of good NHST problems in psets 7 and 8 and the reading, including two-sample t test, chi-square, ANOVA, and F-test for equal variance.

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There are lots of good NHST problems in psets 7 and 8 and the reading, including
two-sample t test, chi-square, ANOVA, and F-test for equal variance.

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Cal Bank believes the US dollar will appreciate over the next five days from GHS 4.48 to GHS 4.50. The following annual interest rates apply: Currency Dollars Ghana Cedis Lending Rate 7.10% 6.80% Borrowing Rate 7.50% 7.25% Cal Bank has the capacity to borrow either GHS 10 million or $5 million. If Cal Bank's forecast is correct, what will its dollar profit be from speculation over the five-day period (assuming it does not use any of its existing consumer deposits to capitalize on its expectations
Suppose that X takes values between 0 and 1 and has probability density function 2x. Compute Var(X) and Var(X2).
Given the demand function P = 20 – 5Q, find the price elasticity of demand when price of the commodity is 5 Birr per unit. Mention if the demand is price elastic or inelastic at this point
Use the data file WAGE to work on using STATA and answer the following questions a) Examine the data b) Carry out remedial measure(s) if there is any problem with data c) Regress HRS on RATE, ERSP, ERNO, NEIN, AGE and DEP d) Conduct model specification tests using LINKTEST and OVTEST commands of STATA, and interpret the result e) Perform multicollinearity test f) Perform hetroscedasticity test g) Comment on the explanatory power and adequacy of the model h) Interpret the regression coefficients
Given that in an economy, Given that in an economy, C = 102+0.7Y, I=150-100r, MS =300, Mt = 0.4Y, and Mz=125-200r where, Y= income, C= consumption, I= investment, MS= money supply, Mt= transactional-precautionary money demand, Mz= speculative money demand and r= interest rate. Calculate; 1. The equilibrium level of income and interest rate in this economy. 2. The level of C, I, Mt, and Mz when the economy is in equilibrium. Now, assuming the economy is open with government (G) participation and external trade which is summarized as follows; export(X)= 100-0.10Y, import(M)=50, G=100, Taxes(T)= 100 and C, I, MS, Mt, and Mz the same as defined in (a) above. Calculate; 1. The equilibrium income and interest rate in this new economy. 2. The level of C, I, Mt, and Mz when the economy is in equilibrium. 3. Assuming capital is perfectly mobile in this economy, graphically sketch the IS-LM-BOP frame work of this economy. Comment on the balance of payment situation in this economy.
You paid $250750 for a house five years ago that listed for $265000. You have $232580 still owing on your mortgage. How much equity do you have in the house? (2 marks)
Find the rate of interest required to achieve the conditions set forth: A = $5000; P = $1250; t = 12 years; interest is compounded quarterly.
The following figuTheres shows the profit of a green grocer for the past five years: R36 000,R550 000,R200 000,R80 000,and R700 000.The arithmetic mean of the data is: