200 Level Educational Psychology And Guidance & Counseling exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
Q5: A teacher administered an English Language test to the following S.S. 2 students and obtained the following data.
| X | 32 | 37 | 42 | 47 | 52 | 57 | 62 | 67 | 72 | 77 |
|---|---|---|---|---|---|---|---|---|---|---|
| F | 4 | 2 | 5 | 8 | 11 | 10 | 11 | 6 | 2 | 1 |
a. Determine the Mean (x̄) of the data
b. Determine the standard deviation of the data
Note: Prepare the table(s) separately.
