Search SchoolNGR

Thursday, 05 March 2026
Register . Login

\(\begin{array}{c|c} Weight(s) 0 -10 10 - 20 20 - 30 40 - 50\\ \hline \text{Number ...

\(\begin{array}{c|c} Weight(s) & 0 -10 & 10 - 20 & 20 - 30 & 40 - 50\\ \hline \text{Number of coconuts} & 10 & 27 & 19 & 6 & 2\end{array}\)
Estimate the mode of the frequency distribution above
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 13.2g
  • B 15.0g
  • C 16.8g
  • D 17.5g
Correct Answer: Option C
Explanation:
Mode = a + \(\frac{(b - a)(F_m - F_b)}{2F_m - F_a - F_b}\)
= \(L_1 + \frac{\Delta_1 x^\text{c}}{\Delta_1 + \Delta_2}\)
= \(10 + \frac{(20 - 10)(27 - 10)}{2(27) - 10 - 19}\)
= 10 + \(\frac{170}{25}\)
= 10 + 6.8
= 16.8

Share question on: