An English test was administered to two classes of secondary school students. Explain the distribution of the scores and the standard deviation shown in the two graphs above.
Refer to the table above. Interpret the mean and standard deviation
The research was conducted on the opinion of teachers on students bringing smartphones to school. A sample of 200 female and 165 male teachers were asked the question ‘Should students be allowed to bring smartphones to school? The results of the study are shown below:
Based on the information shown in the table: