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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Wk 4‚ DQ1 How would you explain the analysis of variance‚ assuming that your audience has not had a statistics class before? When one does a study of data‚ generally this implies an evaluation of the "mean" or average of that data. .i.e. What is the average time it takes a 5th grader to complete his final math exam? A t test is used to test differences between two means. i.e. the mean of the experiment group vs a control group. An ANOVA test‚ on the other hand‚ is indicated when there are
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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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Construct Label for a theoretical dimension with which people differ i.e. anger Meaning of the construct in abstract Measuring in a way that is measurable Acquiring Knowledge- Methods Empirical- based on experience and observations Objective- everyone perceives the same way Anxiety Uneasy and distress related to uncertainty of the future i.e. self report‚ sweaty palms‚ heart rate Characteristics of Science and the Scientific approach Control Tentative Self-correcting/replication Progressive
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inches. What is the 99% confidence interval for the true mean length of the bolt? Student Answer: 2.902 to 3.098 2.884 to 3.117 2.865 to 3.136 2.228 to 3.772 2.465 to 3.205 Comments: 4. Question : A federal bank examiner is interested in estimating the mean outstanding defaulted loans balance of all defaulted loans over the last three years. A random sample of 20 defaulted loans yielded a mean of $67‚918 with a standard deviation of
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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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This archive file of COMM 315 Week 4 Discussion Questions shows the solutions to the following problems: DQ 1: Provide details about a time when you felt left out of a conversation with others or when you unintentionally left out another person. What did you do to resolve this? DQ 2: How do you respond when there is a language barrier and you are having difficulty understanding the person speaking to you? General Questions - General General Questions COMM 315 Week 1 Individual Assignment Myplace
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Delegate | | Save Answer | | 3. (Points: 1) | | Which type of representation occurs when constituents have the power to hire and fire their representatives?a. Delegateb. Agencyc. Sociologicald. Trustee | | Save Answer | | 4. (Points: 1) | | Which type of legislation specifies a project or other authorizations to be funded‚ as well as the location of the project within a particular district?a. Concurrent resolutionb.
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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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This archive file of SOC 315 Week 4 Discussion Questions includes: DQ 1 DQ 2 Sociology - General Sociology Social Stratification Systems: Caste vs. Class . India’s caste system‚ in which there are four major castes‚ or varnas ‚ is a social construct that is ascribed and immutable: people are born into this system and cannot move between castes. In American society‚ class systems‚ of which there are five‚ are social rankings based largely on economic position. In America‚ unlike
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