Explore More
| प्राप्त अंक | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| छात्रों की संख्या | $2$ | $3$ | $8$ | $14$ | $8$ | $3$ | $2$ |
| $x_i$ | $3$ | $4$ | $5$ | $8$ | $10$ | $11$ |
|---|---|---|---|---|---|---|
| $f_i$ | $\alpha+2$ | $(\alpha-1)^2$ | $4$ | $\alpha-1$ | $2$ | $\alpha$ |
| वर्ग अंतराल | $0$–$2$ | $2$–$4$ | $4$–$6$ | $6$–$8$ | $8$–$10$ |
| बारंबारता | $1$ | $3$ | $4$ | $1$ | $2$ |
Vedclass Products
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialGenerate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeLive online exams with unlimited students, 360° analytics & white-label branding.
See Demo