Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Elementary Statistics
Find the missing frequencies in the following frequency distribution if it is known that the mean of the distribution is 50
| x | 10 | 30 | 50 | 70 | 90 | |
| f | 17 | f1 | 32 | f2 | 19 | Total 120 |
1
f1 = 26, f2 = 27
2
f1 = 23, f2 = 27
3
f1 = 28, f2 = 24
4
More than one of the above
5
None of the above