Question
If the variance of the data 2,3,5,8,12 is ^2 and the mean deviation from the median for this data is M , then ^2- M =
BITSAT
Mathematics
Statistics
2024
BITSAT 2024 (Memory Based Paper 2)
BITSAT Mathematics Question (2024) — Solution
Options
- A. 10.2
- B. 5.8
- C. 10.6
- D. 8.2
Answer
A. 10.2
Step-by-step solution
Observations : 2,3,5,8,12 Mean = 2+3+5+8+12 5 =6 ^2=13.2 Median =5=m Mean deviation about median |x_i-m | n = 3+2+0+3+7 5 =3 M=3 ^2-M=13.2-3=10.2
Related: Mathematics — Statistics · All PYQ Banks