1111. The range of the scores 29, 3, 143, 27, 99 is_____________
A. 140
B. 143
C. 146
D. 70
✅ The correct answer is option B.
UPSC
1112. The average of squared deviations about the arithmetic mean for a set of numbers is called___________
A. Standard deviation
B. Coefficient of mean deviation
C. Mean deviation
D. Variance
✅ The correct answer is option D.
1113. In quality control of manufactured items, the most common measure of dispersion is___________
A. Range
B. Average deviation
C. Standard deviation
D. Quartile deviation
✅ The correct answer is option A.
1114. 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.
1115. The measure of dispersion which uses only two observations is called__________
A. Range
B. Quartile deviation
C. Mean deviation
D. Standard deviation
✅ The correct answer is option A.
1116. The measure of dispersion which uses only two observations is called___________-
A. Mean
B. Median
C. Range
D. Coefficient of variation
✅ The correct answer is option C.
1117. 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.
1118. If mean is less than mode, the distribution will be____________
A. Positively skewed
B. Negatively skewed
C. Symmetrical
D. None of these
✅ The correct answer is option B.
1119. Standard deviation is always___________
A. Negative
B. Positive
C. Zero
D. None of the above
✅ The correct answer is option B.
1120. The distribution in which mean = 60 and mode = 50, will be ____________
A. Symmetrical
B. Positive skewed
C. Negative skewed
D. None of these
✅ The correct answer is option B.