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BTM8107-8-4 Assignment Cover Sheet Northcentral University

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    BTM8107 - 8 - 4 1 BTM8107 - 8 - 4 NORTHCENTRAL UNIVERSITY ASSIGNMENT COVER SHEET Based on your analysis of creativity scores from a creative writing course, you performed both dependent and independent t - tests to determine whether participation in the course had an impact on participants' scores. In your response, be sure to address the following: 1. Provide an overview of your exploratory data analysis (EDA) for both pre - test and post - test creativity scores, including descriptive statistics such as mean, median, and standard deviation. 2. Describe the hypotheses you tested in both the paired samples t - test and the independent t - test. What were the results of each test, and how did they influence your conclusion about the effect of the creative writing course? 3. Discuss the assumptions you tested for in both t - tests, particularly focusing on the homogeneity of variances in the independent t - test. How did the results support your analysis? 4. Reflect on the differences between the two tests (paired samples t - test and independent t - test) and explain why they might have yielded different findings. How would these tests be used differently in future research or applied studies? Word Count Requirement: 800 - 1000 words

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    BTM8107 - 8 - 4 2 Student THIS FORM MUST BE COMPLETELY FILLED IN Follow these p rocedures: If requested by your instructor, please include an assignment cover sheet. This will become the first page of your assignment. In addition, your assignment header should include your last name, first initial, course code, dash, and assignment number. This should be left justified, with the page number right justified. For example: DoeJXXX0000 - 1 1 Save a copy of your assignments: You may need to re - submit an assignment at your instructor’s request. Make sure you save your files in accessible location. Academic integrity: All work submitted in each course must be your own original work. This includes all assignments, exams, term papers, and other projects required by your instructor. BTM8107 - 8 Statistics II T - test and ANOVA Faculty Use Only

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    BTM8107 - 8 - 4 3

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    BTM8107 - 8 - 4 4 Introduction This week I conduct ed t - test s to determine if a difference exists between the means of two independent variables ; specifically if participation in a course affects participants’ scores. More specifically, the data analysis helped me determine whether the difference between these two variables is statistically significant. I was interested in finding out whether participation in a creative writing course resulted in increased scores of a creativity assessment. U sing the data file “Activity 4a.sav”, I conducted a between - subjects ANOVA , examining pre - test scores and post test scores, to determine if course attendance was justified . Part A : Dependent t - test 1a. Exploratory Data Analysis The exploratory data analyses for 40 participants below, shows a mean pre - test score of 40.1 5 , a median score of 38.00, and a standard deviation of 8.304. In comparison, the EDA shows a mean post test score of 43.35, a median score of 44.00, and a standard deviation of 9.598. The results indicate that posttest mean scores are better than pre - test mean scores when the same number of participants is used. Statistics Creativity pre - test Creativity post - test N Valid 40 40 Missing 0 0 Mean 40.15 43.35 Median 38.00 44.00 Mode 38 51 Std. Deviation 8.304 9.598 Variance 68.951 92.131 Skewness .280 - .256 Std. Error of Skewness .374 .374

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    BTM8107 - 8 - 4 5 Kurtosis - .992 - .443 Std. Error of Kurtosis .733 .733 Range 30 39 Percentiles 25 34.00 36.00 50 38.00 44.00 75 47.75 51.00 Creativity pre - test Frequency Percent Valid Percent Cumulative Percent Valid 26 2 5.0 5.0 5.0 30 2 5.0 5.0 10.0 31 3 7.5 7.5 17.5 32 1 2.5 2.5 20.0 34 3 7.5 7.5 27.5 35 3 7.5 7.5 35.0 36 2 5.0 5.0 40.0 37 1 2.5 2.5 42.5 38 4 10.0 10.0 52.5 39 2 5.0 5.0 57.5 41 2 5.0 5.0 62.5 43 2 5.0 5.0 67.5 45 1 2.5 2.5 70.0 46 1 2.5 2.5 72.5 47 1 2.5 2.5 75.0 48 1 2.5 2.5 77.5 50 3 7.5 7.5 85.0 51 1 2.5 2.5 87.5 52 1 2.5 2.5 90.0 53 2 5.0 5.0 95.0 54 1 2.5 2.5 97.5 56 1 2.5 2.5 100.0 Total 40 100.0 100.0

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