Question:

For the employees who left the company before 3 years, what is an appropriate test of hypothesis to determine if the mean tenure of such employees equals 18 months in the population?

One sample t test Paired samples t test Independent samples test None of the above

1 points

QUESTION 2

Perform an appropriate test of hypothesis in order to determine whether the average salary of a D&Y employee is $40,000. What is the observed value of the test statistic?

8.489

6.482

9.58

3.86

1 points

QUESTION 3

Test the hypothesis that in the population there is no difference in mean salary between employees who graduated from State University and those who did not. In absolute terms what is the observed value of the test statistic?

0.0030.9983.1399.313

1 points

QUESTION 4

Test the hypothesis that in the population there is no difference in mean salary between employees who graduated from State University and those who did not. In absolute terms what is the critical value of the test statistic?

4.0013.1398.4891.998

1 points

QUESTION 5

Test the hypothesis that in the population there is no difference in mean salary between employees who graduated from State University and those who did not. What is your conclusion about the null hypothesis?

Fail to reject the null hypothesis Reject the null hypothesis Both A and B Neither A nor B

Homework Chapter 1 Name MATCHING What a society can produce. More production to satisfy wants and Match the key terms with the descriptions. needs. The process of thinking things Things people buy. through before making a decision. What can be fulfilled by acquiring KEY TERMS goods and services. 1. Capital (capital goods) People working. 2. Command dictatorship economy Tools and equipment used for production. 3. Cost-benefit analysis Funds to acquire capital goods. 4. Economic growth Risk taking. 5. Efficiency Goal of a business. 6. Entrepreneurship The transformation process. 7. Financial capital Maximum output at lowest cost. 8. Goods and services Application of knowledge. 9. Labor Limited resources unlimited wants and 10. Marginal benefit (MB) needs. 11. Marginal cost (MC) Evaluation of whether or not to take 12. Market capitalist economy the next step. 13. Opportunity cost Cost of taking the next step. 14. Private property Benefit of taking the next step. 15. Production Alternative foregone when you make 16. Production possibilities a decision. 17. Making profit Consumer decides what gets produced. 18. Rational action blucarsfrail a Decisions are made by the ruling elite. 19. Scarcity on to sabusedshow of prlingual Individual ownership of farms, facto- 20. Technology ries and homes. 21. The "Invisible Hand" Description of how self-interested 22. Wants and needs. activity benefits society by Adam Smith. her word or golog mom aly68. The fundamental unit of matter is the sugar molecule. A. True B.False 69. Ecosystem boundaries are usually defined by easily identifiable demarcations. A. True B.False 70. Environmental science is an interdisciplinary area of study that deals with all of the follo except A. politics. B. economics. C. ethics. D. All of these are correct. 71. Damming water changes its quantity and not its quality. A. True B.False 72. Evaluate the ratio [H+] at pH 3 / [H+] at pH 7. A. 0.0001 B. 0.001 C. 0.429 D. 10.000Question 2 CO2, PO11, C2 In economics, interest can be defined as money paid by a borrower to a lender for a credit or a similar liability. Whereas, interest rate is defined by the interest paid over a time period expressed as a percentage of principal. Based on these fundamental understandings, answer all following questions; i. What is the different (by definition) between simple and compound interest? (1 marks) ii. Calculate the amount deposited 1 year ago to have RM5000 now at the interest rate (ROR) of 10% per year. Calculate the amount of interest earned during this time period (4 marks)IL Short Answer Questions: 1. What is scarcity and why does it exist? How is scarcity related to the study of economics? 10 points 2. Discuss the three fundamental economic questions that all nations must address. 10 points 3. Draw a supply and demand curve for cars and graphically illustrate the effect of an increase in the price of steel (an input). Label all axes and curves. 10 points 4. Draw a PPF with cars on the x-axis and TV's on the Y axis. Make sure the PPF exhibits increasing opportunity costs. 10 points