A. 40 and 60
B. 20 and 70
C. 20 and 30
D. 20 and 80
Related Mcqs:
- When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?
A. Interval
B. Histogram
C. Limits
D. Marks - If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?
A. 0
B. 2.58
C. 5
D. 4.66
E. 2.33 - If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
A. 0
B. 2.58
C. 4.66
D. 2.33 - 95% confidence limits for P are _________________?
A. P±2.18√p2q2/n
B. P±1.65(pq/n)
C. P±1.96 p2q2/√n
D. P±1.96√p2q2/n - 95% confidence limits u are ________________?
A. x±1.65 6/√n
B. u±1.95 S/√n
C. x±1.96 6/√n
D. ±1.96 6/√n - The class ___ are obtained when we divide the sums of the lower and upper class limits by 2?
A. Limit
B. Points
C. Marks
D. Class boundary - G.M. are set of ‘n’ values product of the nth roots of the ______________?
A. Given value
B. All +ve, -Ve value
C. Zero reject
D. None of these - The range of normal distribution lies between _________?
A. -∞ to +∞
B. 0 to ∞
C. -∞ to 0
D. None of these - Quartile Coefficient of skewness lies between______________?
A. 0 and 1
B. -1 and +1
C. -1 and 0
D. None of these - Probability of occurrence of an event lies between______________?
A. -1 and 0
B. 0 and 1
C. -1 and 1
D. exactly 1