Correct me if I am wrong. 23. Using coefficient of variation Cv= Sd/mean x 100 The lower the value the better Option C has lower value. Therefore it is the answer. Thanks and God bless.
To determine the best class performance on a 100-item test, we can compare the mean and standard deviation (SD) for each option. The higher the mean and the lower the SD, the better the performance. Option c has the highest mean (90), indicating a higher average performance compared to the other options. Additionally, it has the lowest SD (2), suggesting less variability in the scores. Therefore, option c (mean of 90 and SD of 2) represents the best class performance on the 100-item test.
Correct me if I am wrong.
23. Using coefficient of variation
Cv= Sd/mean x 100
The lower the value the better
Option C has lower value. Therefore it is the answer.
Thanks and God bless.
😂 23. Letter C po!
To determine the best class performance on a 100-item test, we can compare the mean and standard deviation (SD) for each option. The higher the mean and the lower the SD, the better the performance.
Option c has the highest mean (90), indicating a higher average performance compared to the other options. Additionally, it has the lowest SD (2), suggesting less variability in the scores. Therefore, option c (mean of 90 and SD of 2) represents the best class performance on the 100-item test.