Week 4 Practice Problems 11. List the five steps of hypothesis testing‚ and explain the procedure and logic of each Step 1: During this step of hypothesis testing‚ the query is stated again as a research theory and a null theory regarding the populations. The null and research hypothesizes are the opposites of each other. This step is necessary because it explains the theory and recognizes the populations‚ which will be worked throughout the study. Step 2: During this second step‚ the characteristics
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1. C Correct 2. A Correct 3. A Incorrect PAGE 22 4. A Correct 5. B Correct 6. C Incorrect PAGE 9 7. A Incorrect PAGE 35 8. A Correct 9. C Correct 10. C Incorrect PAGE 23 11. A Correct 12. B Incorrect PAGE 58 13. A Correct 14. B Correct 15. A Incorrect PAGE 44 16. C Correct 17. B Incorrect PAGE 53 18. A Correct 19. D Incorrect PAGE 45 20. D Incorrect PAGE 66
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Maria Saavedra ECT122 Week 1 05/07/2014 Chapter 1Chapter 2 Chapter 3 Practice Problems *(Be sure to put the units in; volts‚ amps‚ etc.) 1.One coulomb of charge passes a point every 20 seconds. Calculate the value of the current through the point. I=Q/t = 1C/20s = .05C/s= .05 A x10^-3 C = 50mA 2.A total charge of 2.5 × 10-3 C passes a point every 40 seconds. Calculate the value of the current through the point. I=Q/t =0.0025C/40s= 6.25 C/s = 6.25 A 4.A total charge of 50 × 10-3 C passes a point
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1.a．Mnually calculate the mean‚ median‚ and mode or modes for the following samples: (i) 7‚ 4‚ 6‚ 2‚ 6‚ 7‚ 3‚ 5 (ii) 0‚ -3‚ 5‚ -2‚ -6‚ 4‚ 7‚ 9‚ 4‚ -3‚ 0‚ 2 b. The number of days for which each of 15 office workers of a firm was absent during a one-month period is as sfollows: 0‚ 1‚ 1‚ 3‚ 0‚ 0‚ 2‚ 5‚ 0‚ 1‚ 1‚ 2‚ 0‚ 1‚ 1 Calculate the interquartile range‚ variance and standard deviation of the number of days absent. 2. The number of hours a student spent studying for
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predict‚ explain‚ and apply. Researchers use the scientific method to meet these goals. The scientific method is described as a process involving fives steps to conduct research: Step one- Determine a problem or make an observation. Second step- Development of the hypothesis. Third step- Testing the hypothesis.
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Research‚ Statistics‚ and Psychology PSY/315 January 13‚ 2014 Research‚ Statistics‚ and Psychology Humans and animals may have a vast number of similarities‚ but the one thing that sets humans apart is the unique ability to question. When psychologists look to find the answers to questions‚ they often turn to statistics. Gathering research to devise rational explanation is important to psychology; it is not only important‚ but the manner in which it is done is scientific. Psychologists use
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t 1. (Points: 1) | | Congress is a __________ legislature with __________ members.I GOT 10/13 RIGHT THAT I ANSWERED!!!a. bicameral; 100b. unicameral; 630c. bicameral; 535d. unicameral; 342 | | Save Answer | | 2. (Points: 1) | | Which type of representation takes place when representatives have the same racial‚ ethnic‚ religious‚ or educational backgrounds as their constituents?a. Trusteeb. Sociologicalc. Agencyd. Delegate | | Save Answer | | 3. (Points: 1) |
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your answer to someone who has never taken a course in statistics. Part A. Step 1. Ho=M=24(null) H1=M24(alternative) Step 2. X | | | 25 | 0 | 0 | 27 | 2 | 4 | 25 | 0 | 0 | 23 | -2 | 4 | 24 | -1 | 1 | 25 | 0 | 0 | 26 | 1 | 1 | 25 | 0 | 0 | x= 200 S2=10/7= 1.42857 S2M=S2/N=10÷7/8=0.17857 SM=Sm2= 0.422577 Step 3. (=.025‚ DF=7) =2.365 =.05 /2= .025 (two tailed test) So if the sample > 1.895 We reject H0 Step 4. Sample
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Chapter 8 8-8 One would use MUS sampling most appropriately when they test for potential overstatement of an account balance. Also they would use it when few or no misstatements are expected. 8-10 a. The auditor should consider the inconsistency of the risk of incorrect acceptance‚ expected misstatement‚ population‚ tolerable misstatement‚ and population size. b. The auditor will select the sample in a way he or she believes is demonstrative of the population (haphazard or random based). c
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PSY/310: Week 2 DQ 1 What are some methods that were used to treat individuals who were presumably suffering from some form of mental illness prior to the Renaissance period? What are the rationales behind these methods? Prior to the Renaissance period‚ Enlightenment thinkers urged the reformation of treating mental illnesses‚ which many treatments were used that today would be looked at as appalling or astounding in treating the mentally ill. German doctor Johann Weyer (1515-1588)‚ the first
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