Address the following questions appropriately.

Q1. Please use your economics theory knowledge to explain why there was a huge increase in the labor supply in Alaska from 1976 to 1977?

An index takes the following values: 1/1/05: 121.2 1/1/06 123.9 1/1/07 125.2 1/4/05 122.8 1/4/06 124.2 1/4/07 126.0 1/7/05 123.1 1/7/06 124.4 1/10/05 123.6 1/10/06 124.9 An index-linked bond is purchased on 1/4/05 (when the remaining term is two years) for a price of f101 per f100 nominal. The bond is due to be redeemed at par. All coupon and redemption payments are linked to the inflation index three months prior to the payment date. The coupons on the bond are of nominal amount 4% pa payable half- yearly in arrears on Ist April and October every year. Calculate the real yield obtained by the investor. You may ignore tax.A student who regularly goes tenpin bowling thinks that he scores higher with one particular bowling ball than he does with his other two. For the next 15 games that he bowls, he chooses a ball at random and notes down the scores as follows: Ball Score sum of squares 173, 166, 179, 183, 199 900 162,616 195, 206, 188, 195, 210, 221 1,215 246,771 3 169, 155, 172, 188 684 117,514 From the data obtained, calculate unbiased estimates of: (i) the overall mean, / (ii) the "treatment effect" for each ball, fi