You have collected data for the 50 U. S. states and estimated the following relationship between the change in the unemployment rate from the previous year (Delta) and the growth rate of the respective state real GDP (gy). The results are as follows Delta ur = 2.81 - 0.23 times gy, R2 = 0.36, SER = 0.78 Assume that the estimator has a normal distribution, the 95 % confidence for the slop is approximately the interval. A. [-0.31,0.15]
B. [2.57,3.05]
C. [-0.33/-0.13]
D. [-0.31,-0.15]

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

Josie just bought her first fish tank a 36 -gallon glass aquarium, which she’s been saving up for almost a year to buy. for josie, the fish tank is most likely what type of purchase

Which of these is not a result of regular exercise