Real estate investors, home buyers, and home owners often use the appraised value of a property as a basis for predicting sale price. Data on sale prices (y) and total appraised values (x) of 92 residential properties sold in 1999 in an upscale Tampa, FL neighborhood are located in the "tampalms" worksheet. Both values are in thousands of dollars. a) Calculate and interpret the correlation between x and y. b) Find the least squares estimates of the slope and intercept using R. c) Interpret the slope of the least squares line. d) Interpret the intercept of the least squares line. Does it have a practical meaning for this application? Explain. e) Conduct a test of model utility using = .05. f) Use the least-squares model to estimate the mean sale price of a property appraised at $300,000.

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

Sanibel autos inc. merged with its competitor vroom autos inc. this allowed sanibel autos to use its technological competencies along with vroom autos' marketing capabilities to capture a larger market share than what the two entities individually held. what type of integration does this scenario best illustrate? a. vertical b. technological c. horizontal d. perfect

A$100 million interest rate swap has a remaining life of 10 months. under the terms of the swap, the six-month libor is exchanged semi-annually for 12% per annum. the six-month libor rate in swaps of all maturities is currently 10% per annum with continuous compounding. the six-month libor rate was 9.6% per annum two months ago. what is the current value of the swap to the party paying floating? what is its value to the party paying fixed?