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Spss Hwassignment

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Data Analytics
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Jawaharlal Nehru Technological University
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Homework
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Question 1 Enter the following data into SPSS. The data shows final grades earned by 48 students in statistics classes taught by a professor in 3 different modalities; on-ground, hybrid, and online. Students were randomly assigned. The goal of the study was to find whether there are meaningful differences in student grades across different modalities. After entering the data in SPSS, answer the following questions. • On-ground Hybrid Online 65 70 55 70 65 65 60 60 70 60 70 55 60 65 55 55 60 60 60 60 50 55 50 50 50 45 30 55 60 30 80 85 30 65 65 55 70 70 35 75 70 20 75 80 45 65 60 40 Identify the independent (factors) and dependent variables. The independent variable is modality, which is a factor (categorical variable) with three levels: on-ground, hybrid, and online. The dependent variable is final grade. • Clearly state your research questions followed by their corresponding null and alternative hypotheses. Research question: Is there a meaningful (significant) difference between the student’s grades across the three modalities (on-ground, hybrid, and online)? Let us define: 𝜇1 = average final grade of students who took the statistics class using the on-ground modality. 𝜇2 = average final grade of students who took the statistics class using the hybrid modality. 𝜇3 = average final grade of students who took the statistic class online. Then our hypothesis are, Null hypothesis: 𝐻0 : 𝜇1 = 𝜇2 = 𝜇3 ...
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