(a) 7.2 (b) 8.2 (c) 9.2 (d) 10.2
Answer: (c) 9.2
Sol:
It is given that the mean and median are 8.9 and 9, respectively,
∴ Mode = (3 × Median) – (2 × Mean)
⇒ Mode = (3 × 9) – (2 × 8.9)
= 27 – 17.8
= 9.2