A. Height of a student
B. Liking or disliking of (500) persons of a product
C. The income of a government servant in a city
D. Yield from a wheat plot
✅ The correct answer is option B.
What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?____________
A. 5
B. 6
C. 7
D. 5
✅ The correct answer is option A.
What is the geometric mean of: 1, 2, 8, and 16?___________
A. 4
B. 5
C. 6
D. 7
✅ The correct answer is option A.
The arithmetic mean of all possible outcomes is known as___________
A. expected value
B. critical value
C. variance
D. standard deviation
✅ The correct answer is option A.
What is the average of 3%, 7%, 10%, and 16% ?____________
A. 8%
B. 9%
C. 10%
D. 11%
✅ The correct answer is option B.
The mean, mode, and median of the data set: 5, 4, 10, 12, 1, 5, 3, 7, 15, and 8 is respectively___________
A. 5, 6, 7
B. 7, 6, 5
C. 6, 5, 7
D. 7, 5, 6
✅ The correct answer is option D.
Harmonic men gives more weigntage to____________
A. Small Values
B. Large Values
C. Positive Values
D. Negative Values
✅ The correct answer is option A.
If the distribution is symmetric about mean then the skewness is_____________.
A. 1
B. Positive
C. negative
D. none
✅ The correct answer is option A.
Standard deviation is calculated from the Harmonic Mean (HM)____________
A. Always
B. Sometimes
C. Never
D. None of these
✅ The correct answer is option B.
In statistics, a sample means______________
A. A portion of the sample
B. A portion of the population
C. All the items under investigation
D. None of the above
✅ The correct answer is option B.