find the quartile deviation and it's co efficient from the following 391,384,591,407,672,522,777,733,1490,2488
Answers
Answered by
0
Find the Quartile Deviation for the following data:
391, 384, 591, 407, 672, 522, 777, 733, 1490, 2488
Solution:Arrange the given values in ascending order.
384, 391, 407, 522, 591, 672, 733, 777, 1490, 2488.
Position of Q1is n+=+141014= 2.75thitem.
Q1= 2nd value + 0.75 (3rdvalue – 2ndvalue )
= 391 + 0.75 (407 – 391)
= 391 + 0.75 ×16
= 391 + 12
= 403
Position Q3 is
3n+14
= 3 × 2.75
= 8.25thitem
Attachments:
Similar questions