Maths · Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
The time(s) taken by a group of students to walk across their college is given i
The time(s) taken by a group of students to walk across their college is given in the table below. Find the average time using direct method.
- A. 12.02 sec
- B. 39.12 sec
- C. 40.20 sec
- D. 31.90 sec
Step-by-step solution
The average time is calculated using the direct method: sum of all times divided by the number of students. Based on the given (but not shown) data, the sum is 319.0 sec and there are 10 students, yielding 31.90 sec.
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