Question
What do you understand by pre-testing of the questionnaire?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
|
Mid-value
|
5
|
15
|
25
|
35
|
45
|
55
|
|
Frequency
|
16
|
24
|
30
|
18
|
8
|
4
|
| Size: | $5-10$ | $10-15$ | $15-20$ | $20-25$ | $25-30$ |
| Frequency: | $4$ | $9$ | $15$ | $30$ | $40$ |