A. Middle
B. Right Tail
C. Left Tail
D. Whole Curve
✅ The correct answer is option C.
Study of scatteredness of observations is known as ________
A. Measure of dispersion
B. Standard deviation
C. Measure of central tendency
D. None of the above
✅ The correct answer is option A.
Standard deviation of first 50 natural number is__________
A. 12.43
B. 10.43
C. 14.43
D. 16.43
✅ The correct answer is option C.
Calculate coefficient of variation c)V.) for the following data 2,4,8,6,10 and 12 is____________
A. 48.86
B. 42.86
C. 40.86
D. 0.49
✅ The correct answer is option A.
Calculate Standard deviation for the following sample data 2,4,6,8,10 and 12. Is________
A. 4.42
B. 2.42
C. 3.42
D. 5.42
✅ The correct answer is option C.
Standard deviation is always___________
A. Negative
B. Positive
C. Zero
D. None of the above
✅ The correct answer is option B.
The arithmetic average of the absolute deviation of a series known as the________
A. Standard deviation
B. Coefficient of mean deviation
C. Mean deviation
D. None of the above
✅ The correct answer is option C.
The average of the squared deviations about the arithmetic mean for a set of numbers is__________
A. Standard deviation
B. Coefficient of mean deviation
C. Mean deviation
D. Variance
✅ The correct answer is option D.
The measure of dispersion which is expressed in terms of the nits of observations__________
A. Absolute measure
B. Variance
C. Relative measure
D. None of the above
✅ The correct answer is option A.
If the difference of the third and first quartiles is divided by the sum of the third and first quartiles then it is known as __________
A. Quartile
B. Coefficient of mean deviation
C. Coefficient of quartile deviation
D. None of the above
✅ The correct answer is option C.