Question 1 pls
Q1. Multiple choice Questions (MCQ) choose the correct option.
(i) In an arranged data, the range is
(a) 1st observation – Last observation
(b) 1st observation + Last observation
(c) Difference between 1st and Last observations
(d) Average of 1st and Last observations.
(ii) From the following frequency table, find out how many students failed, if the pass mark is 40.
| Marks | 0-19 | 20-39 | 40-49 | 50-59 | 60-89 | 90-100 |
| No.of students | 8 | 6 | 15 | 13 | 18 | 7 |
(a) 29 (b) 7 (c) 8 (d) 14
Dear Student,
1. (i) In an arranged data, the range is the difference between the first and last data.
(ii) Since, the pass mark is 40, 6 + 8 = 14 students got marks below 40. Thus, 14 students failed the exam.