info@clay6.com
+91-9566306857
(or)
+91-9176170648
Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
NEET
Physics
Chemistry
Biology - XII
Biology - XI
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
NEET
Physics
Chemistry
Biology - XII
Biology - XI
mobile
exams
ask
sample papers
tutors
pricing
login
X
ASK
Home
>>
CBSE XI
>>
Math
>>
Statistics
Coefficient of variation $= \large\frac{----------}{mean} $$\times 100 $
$\begin{array}{1 1}(A)\; \sigma \\(B)\;x \\(C)\;1 \\(D)\;\pi \end{array} $
cbse
math
class11
ch15
statistics
exemplar
q40
sec-a
easy
Share
asked
Jul 9, 2014
by
meena.p
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1 Answer
$(A)\; \sigma $
Hence A is the correct answer.
answered
Jul 9, 2014
by
meena.p
Please
log in
or
register
to add a comment.
Related questions
The mean of 100 observation is 50 and their standard deviation 5. The sum of all the observations is
cbse
math
class11
ch15
statistics
exemplar
q30
sec-b
medium
asked
Jul 8, 2014
by
meena.p
1
answer
Mean and standard deviation of 100 items are 50 and 4 , respectively . find the sum of all items and sum of the squares of the items.
cbse
math
class11
ch15
statistics
exemplar
q13
sec-b
medium
asked
Jul 4, 2014
by
meena.p
1
answer
Mean and standard deviation of $100$ observation were found to be $40$ and $10$ respectively . If at the times of calculation two observations were wrongly takes as $30$ and $70$ in place of $3$ and $27$ respectively. Find the correct standard deviation.
cbse
math
class11
ch15
statistics
exemplar
q22
sec-c
difficult
asked
Jul 7, 2014
by
meena.p
1
answer
The standard deviation is __________ the mean deviation taken from the arithematic mean
cbse
math
class11
ch15
statistics
exemplar
q46
sec-a
easy
asked
Jul 9, 2014
by
meena.p
1
answer
The mean deviation of the data is ________ when measured from the median .
cbse
math
class11
ch15
statistics
exemplar
q45
sec-a
easy
asked
Jul 9, 2014
by
meena.p
1
answer
The sum of the squares of the deviations of the values of the variable is _______ when taken about their arithmetic mean.
cbse
math
class11
ch15
statistics
exemplar
q44
sec-a
easy
asked
Jul 9, 2014
by
meena.p
1
answer
If $\bar {x}$ is the mean of n values of x, then $\sum \limits_{i=1}^{n} (x_i -\bar{x} )$ is always equal to _______. If a has any value other than $\bar {x}$ , then $\sum \limits_{i-1}^{n} (x_i -\bar {x} )^2$ is _________ than $\sum (x_i -a)^2$
cbse
math
class11
ch15
statistics
exemplar
q41
sec-a
easy
asked
Jul 9, 2014
by
meena.p
1
answer
Ask Question
Tag:
Math
Phy
Chem
Bio
Other
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
15 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
...
close