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semi-quartile range and quartile deviation are similar?
@ Erick:
Quartile deviation= .5 * Inter quartile range
Semi quartile range is also the same......So basically
QD = Semi quartile range
i love that
may u know more
Thank U :) it helped me......
Thanks a lot it really helped me
Really it helped but i have a question...
take example from above data
Q1 = 5.25th observation
if it was
Q1 = 5th observation
then we will simply take the 5th observation that is 67.
Am i right?
Well i have worked out the question but for the coefficient of quartile deviation its 22 divide by 157.5, my final answer is 0.1397. please confirm me the right answer.
thanking you beforehand
regards
Athisha
Sorry, My query was on this ungrouped data distriution....how did u get the value of Q1 and Q3(by what formula) if u could pls explain......
Athisha, i too got the same result.
i have same question like salik....if Q1=5 then what we shall do???