Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
If the data are moderately non-symmetrical, then which onc of the following empirical relationships is correct?
MathematicsStatisticsNDANDA 2017 (Phase 1)
Options:
  • A $2 \times$ Standard deviation $=5 \times$ Mean deviation
  • B $5 \times$ Standard deviation $=2 \times$ Mean deviation
  • C $4 \times$ Standard deviation $=5 \times$ Mean deviation
  • D $5 \times$ Standard deviation $=4 \times$ Mean deviation
Solution:
1951 Upvotes Verified Answer
The correct answer is: $4 \times$ Standard deviation $=5 \times$ Mean deviation
We know, $\frac{4}{5}$ standard deviation = Mean deviation $\Rightarrow 4 \times$ standard deviation $=5 \times$ mean deviation

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play