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Presentation/PPT
27/08/2022
Review1. The process of editing involves __________. (Points: 1)inspecting and correcting each questionnaire or observation form categorizing the data counting the number of cases that fall into the various categories transforming the raw data into symbols developing dummy tables that suggest how each item of information will be used before data is collected 2. Which of the following is a technique that measures the association between a criterion variable and one or more independent variables? (Points: 1)Correlation analysis Analysis of variance Regression analysis Z-test F-test 3. A research study involving the research question, “On the basis of a survey of husband-wife households, is there a significant difference between the mean attitude score of husbands and that of wives toward our product?” will involve a ________. (Points: 1)test for a single proportion test of two means when samples are independent test for a single mean test of two means when samples are dependent None of the above 4. Which of the following statements is (are) true regarding coding? (Points: 1)The classes should always be mutually exclusive and exhaustive. Multiple responses should never be coded. Coding closed-ended questions is more difficult than coding open-ended questions. Alphabetic codes should be assigned to the classes. Both a and b are true statements. 5. In a job satisfaction survey, respondents were asked to indicate how many years they had worked for the company. One respondent wrote “ten months” in response to the item. A conversion of the answer to the correct unit of time (years) would be most likely to take place during the _________. (Points: 1)field edit central-office edit coding process data analysis collection phase 6. Which of the following statements about open-ended questions is FALSE? (Points: 1)Precoding is not necessary. Response categories are provided for respondents. There are multiple legitimate responses. When categorizing open-ended responses, it is often necessary to include an “other” category. All of the above statements about open-ended questions are true. 7. Which of the following is NOT a step in coding open-ended responses? (Points: 1)Identify separate responses given by each individual. Specify categories into which the responses can be placed. Place each response into as many categories as possible. Assess the degree of agreement between multiple coders. All of the above are steps in the process of coding open-ended responses. 8. An observation that is very different in magnitude from the rest of the observations for a particular variable is a(n) _________. (Points: 1)error blunder histogram outlier deviant 9. A research study that tests the hypothesis, “The population mean household income in the new market area is greater than $29,000,” will involve a __________. (Points: 1)test of two means test for a single mean test for a single proportion test of two proportions test of a single variance 10. Kit Kat candy bar executives’ ability to make the following statement, “Our most likely estimate of Kit Kat’s ad recall rate is 65%. In addition, we are 95% confident that Kit Kat’s ad recall rate in the population falls between 62% and 68%,” illustrates ___________. (Points: 1)an example of basic descriptive statistics an example of using statistical inference to estimate a population parameter based upon sample statistics an example of using statistical inference to estimate a statistic based upon a population parameter an example of hypothesis testing Both a and b
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The writer is very fast, professional and responded to the review request fast also. Thank you.
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