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What is v(x) ?
Maths & Stats
If we assume is a measure of central tendency then answer would be -16/3. If it is measure of dispersion anwer would be 4. But in solution answer is 8/3. (Question of ca foundation MTP Nov 2022-1)
Answers (3)
Measures of dispersion change only with change in scale (multiplication and division) and not with change of origin(addition or subtraction). So while answering these questions avoid constants (here, 4).. Also variance is not a measure of dispersion. Variance(v) I'd the square of standard deviation(S.D)... Also is an equation, for eg, If 2x+3y+4 = 0 ; you may directly write 2x=3y..(provided it's about measure of dispersion and not mean Or median or mode)..
Rose
Measures of dispersion change only with change in scale (multiplication and division) and not with change of origin(addition or subtraction). So while answering these questions avoid constants (here, 4).. Also variance is not a measure of dispersion. Variance(v) I'd the square of standard deviation(S.D)... Also is an equation, for eg, If 2x+3y+4 = 0 ; you may directly write 2x=3y..(provided it's about measure of dispersion and not mean Or median or mode)..
Thanks ! I understood that only mistake i.e. I put v(x) In place of S(x) as it is instead of puting a root on it.!
Thread Starter
SNEHAL KHANDELWALThanks ! I understood that only mistake i.e. I put v(x) In place of S(x) as it is instead of puting a root on it.!
I got confused because it was small v.