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From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination Additional No With Additional Instruction Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79 Test the significance of the difference between the two medians at alpha = 0.05. Use 2 decimal places in the final answer STATISTICS: COMPUTED VALUE: TABULAR VALUE: K

From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination Additional No With Additional Instruction Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79 Test the significance of the difference between the two medians at alpha = 0.05. Use 2 decimal places in the final answer STATISTICS: COMPUTED VALUE: TABULAR VALUE: K

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Pick one method to be used: 

  • Chi-Square Test
  • Mann Whitney U Test 
  • Spearman Rank and Friedman Test
  • Mc Nemar’s Test for Correlated Proportions
  • Kendall’s Coefficient of Concordance W
  • Kolmogorov-Smirnov Test

 

After picking one method to be used, answer the following: 

What test method to be used: 

Computed Value: 

Tabular Value: 

Conclusion: 

From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination With Additional No Additional Instruction Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79 Test the significance of the difference between the two medians at alpha = 0.05. Use 2 decimal places in the final answer STATISTICS: COMPUTED VALUE: TABULAR VALUE: DECISION
Transcribed Image Text:From an English class of 18 students using programmed materials, 10 are selected at random and given additional instruction by the teacher. The results on the final examination were as follows: Grades in the Final Examination With Additional No Additional Instruction Instruction 87 75 91 78 85 81 80 85 86 72 85 80 81 81 85 85 73 79 Test the significance of the difference between the two medians at alpha = 0.05. Use 2 decimal places in the final answer STATISTICS: COMPUTED VALUE: TABULAR VALUE: DECISION
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