Chapter: Statistics· Mathematics Part 1 (Algebra)
Asked in: March 2025 board paperQ.4 The following table shows the number of students and the time they utilized daily for their studies. Find the mean time spent by the students for their studies.Class (Time in hours)Class mark \(x_i\)No. of students…
Asked in: March 2025 board paper
Q.4 The following table shows the number of students and the time they utilized daily for their studies. Find the mean time spent by the students for their studies.
| Class (Time in hours) | Class mark \(x_i\) | No. of students \(f_i\) | \(f_i x_i\) |
|---|---|---|---|
| 0–2 | 1 | 8 | 8 |
| 2–4 | 3 | 14 | 42 |
| 4–6 | 5 | 18 | 90 |
| 6–8 | 7 | 10 | 70 |
| 8–10 | 9 | 10 | 90 |