Which survey technique minimizes interviewer bias?

If a sample of n = 30 people is selected and the sample correlation between two variables is r = 0.468, what is the test statistic value for testing whether the true population correlation coefficient is equal to zero?

A) About t = 2.80 B) About t = -.3.01 C) t = 2.0484 D) Can't be determined without knowing the level of significance for the test.

Shuttle Master Airlines has leased an aircraft from Streamline Aircraft Company. The annual payments are $1,000,000 and the life of the lease is 18 years. It is estimated that the useful life of the aircraft is 20 years. How would Shuttle Master Airlines record the acquisition of the aircraft? The effective rate of interest is 9%

a. The company would not record the aircraft as an asset but would record rent expense of $1,000,000 per year for 18 years. b. The company would not record the aircraft as an asset but would record rent expense of $900,000 per year for 20 years. c. The aircraft would be recorded as an asset with a cost of $8,756,000. d. The aircraft would be recorded as an asset with a cost of $9,129,000.