The data below are the final exam scores of 10 randomly selected calculus students and the number of hours they slept the night before the exam. Hours(x)
4
6
3
9
3
5
5
6
7
4
Scores(y)
64
79
59
87
65
77
84
89
89
70

1. Make a scatter plot for these data and determine the direction of the relationship between sleep hours and Scores.
2. Find the correlation coefficient (r) between Hours and Scores.
3. Determine whether there is a significant linear correlation between the two variables.
4. If there is a positive/negative linear correlation,
5. Find the equation of the regression line. and what is the best-predicted score of a student who slept 8 hours?

Shrieves casting company is considering adding a new line to its product mix, and the capital budgeting analysis is being conducted by sidney johnson, a recently graduated mba. the production line would be set up in unused space in the main plant. the machinery’s invoice price would be approximately $200,000, another $10,000 in shipping charges would be required, and it would cost an additional $30,000 to install the equipment. the machinery has an economic life of 4 years, and shrieves has obtained a special tax ruling that places the equipment in the macrs 3-year class. the machinery is expected to have a salvage value of $25,000 after 4 years of use. the new line would generate incremental sales of 1,250 units per year for 4 years at an incremental cost of $100 per unit in the first year, excluding depreciation. each unit can be sold for $200 in the first year. the sales price and cost are both expected to increase by 3% per year due to inflation. further, to handle the new line, the firm’s net working capital would have to increase by an amount equal to 12% of sales revenues. the firm’s tax rate is 40%, and its overall weighted average cost of capital, which is the risk-adjusted cost of capital for an average project (r), is 10%. define “incremental cash flow.” (1) should you subtract interest expense or dividends when calculating project cash flow?

Choose the statement that is incorrect. a. search activity occurs only in markets where there is a shortage. b. when a price is regulated and there is a shortage, search activity increases. c. the time spent looking for someone with whom to do business is called search activity. d. the opportunity cost of a good is equal to its price plus the value of the search time spent finding the good.

Determine the hrm’s role in the performance management process and explain how to ensure the process aligns with the organization’s strategic plan.