cddominguez63
16.02.2021 •
Mathematics
Teaching descriptive statistics. A study compared five different methods for teaching descriptive statistics. The five methods were traditional lecture and discussion, programmed textbook instruction, programmed text with lectures, computer instruction, and computer instruction with lectures. 45 students were randomly assigned, 9 to each method. After completing the course, students took a 1-hour exam. How many pairwise comparisons would be necessary to determine which group means differ
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Ответ:
B) area: 135 yd²; perimeter: 225 yd