1121. 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.
UPSC
1122. 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.
1123. 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.
1124. 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.
1125. The extreme values in negatively skewed distribution lie in the_____________
A. Middle
B. Right Tail
C. Left Tail
D. Whole Curve
✅ The correct answer is option C.
1126. Sum of square of the deviations about mean is___________
A. Maximum
B. Minimum
C. Zero
D. None of these
✅ The correct answer is option B.
1127. Sum of absolute deviations about median is_________
A. Zero
B. Maximum
C. Minimum
D. One
✅ The correct answer is option C.
1128. When mean, median, and mode are identical, the distribution is___________
A. Positively Skewed
B. Negatively Skewed
C. Symmetrical Bivariate
D. Uniform
✅ The correct answer is option C.
1129. Which mean is most affected by extreme values?____________
A. Geometric Mean
B. Harmonic Mean
C. Arithmetic mean
D. Trimmed Mean
✅ The correct answer is option C.
1130. The appropriate average for calculating average percentage increase in population is____________
A. Arithmetic Mean
B. Harmonic Mean
C. Mode
D. Geometric Mean
✅ The correct answer is option D.