1.

The median and mode of a frequency distribution are 26 and 29 respectively. Then, the mean is (a) 27.5 (b) 24.5 (c) 28.4 (d) 25.8

Answer»

(b) 24.5

Mode = (3 × median) – (2 × mean) 

⇒ (2 × mean) = (3 × median) – mode 

⇒ (2 × mean) = 3 × 26 – 29 

⇒ (2 × mean) = 49

⇒ Mean = 49/2 

∴ Mean = 24.5



Discussion

No Comment Found

Related InterviewSolutions