Statistics  MEASURES OF DISPERSION
Quizsummary
0 of 50 questions completed
Questions:
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
Information
This is MCQs of statistics
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 50 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Categories
 Not categorized 0%
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 Answered
 Review

Question 1 of 50
1. Question
In a symmetrical distribution mean, median and mode, _____
Correct
Incorrect

Question 2 of 50
2. Question
The second moment about mean is _____
Correct
Incorrect

Question 3 of 50
3. Question
The A.M. is greater than mode is equal to ______
Correct
Incorrect

Question 4 of 50
4. Question
The frequency distribution mean > Median > Mode is called _______
Correct
Incorrect

Question 5 of 50
5. Question
Range of 5,5,5,5, is _______
Correct
Incorrect

Question 6 of 50
6. Question
which is poor measure of dispersion in openend distribution ________
Correct
Incorrect

Question 7 of 50
7. Question
The degree to which numerical data tend to spread about an average value is a__________
Correct
Incorrect

Question 8 of 50
8. Question
If y= bx + c the range of y is ________
Correct
Incorrect

Question 9 of 50
9. Question
If y = bx + a the mean deviation of y is
Correct
Incorrect

Question 10 of 50
10. Question
If y= ax + b the S.D. of y is ______
Correct
Incorrect

Question 11 of 50
11. Question
Absolute sum of deviations is minimum from _____
Correct
Incorrect

Question 12 of 50
12. Question
The lack of uniformity is called _____
Correct
Incorrect

Question 13 of 50
13. Question
Relative measure of skewness was introduced by _______
Correct
Incorrect

Question 14 of 50
14. Question
Second moment about mean is always equal to ______
Correct
Incorrect

Question 15 of 50
15. Question
In grouped data, the range is the difference between _______
Correct
Incorrect

Question 16 of 50
16. Question
The measure of relative dispersion is called ________
Correct
Incorrect

Question 17 of 50
17. Question
Mean deviation is equal to 4/5 of the _____ manipulation.
Correct
Incorrect

Question 18 of 50
18. Question
Quartile deviation is not capable of manipulation_______
Correct
Incorrect

Question 19 of 50
19. Question
The correct variance is define as the ________
Correct
Incorrect

Question 20 of 50
20. Question
The variance of 4,4,4,4,4,4 is ______
Correct
Incorrect

Question 21 of 50
21. Question
Mean deviation is always ______
Correct
Incorrect

Question 22 of 50
22. Question
In symmetrical distribution, the coefficient of skewness is equal to _____
Correct
Incorrect

Question 23 of 50
23. Question
The S.D. and variance are ____ of origine.
Correct
Incorrect

Question 24 of 50
24. Question
_____ of the distribution which is measured relative to the distribution known as Normal.
Correct
Incorrect

Question 25 of 50
25. Question
The ____ in the distribution around which the observation to lie.
Correct
Incorrect

Question 26 of 50
26. Question
Check the consistency used _____
Correct
Incorrect

Question 27 of 50
27. Question
The standard deviation is affected by the value of every_______
Correct
Incorrect

Question 28 of 50
28. Question
The value of interval ^{x ± S} include _____
Correct
Incorrect

Question 29 of 50
29. Question
First movement about mean is always equal to ______
Correct
Incorrect

Question 30 of 50
30. Question
First moment about origin is always equal to _________
Correct
Incorrect

Question 31 of 50
31. Question
________ is the simplest means of dispersion.
Correct
Incorrect

Question 32 of 50
32. Question
The sum of powers of deviation from mean is zero is called ______
Correct
Incorrect

Question 33 of 50
33. Question
If variance iv standard deviation is minimum if the deviation taken from______
Correct
Incorrect

Question 34 of 50
34. Question
If Skewed distribution the three averages mean, median and mode are ________
Correct
Incorrect

Question 35 of 50
35. Question
If third moment about mean is equal to zero, then distribution is _______
Correct
Incorrect

Question 36 of 50
36. Question
The sum of the squares of deviations is the least when measured from________
Correct
Incorrect

Question 37 of 50
37. Question
The sum of absolute deviations from median is _____
Correct
Incorrect

Question 38 of 50
38. Question
Mean deviation =______ S.D.
Correct
Incorrect

Question 39 of 50
39. Question
The shape of the symmetrical distribution is _______
Correct
Incorrect

Question 40 of 50
40. Question
Standard deviation is always calculated from _______
Correct
Incorrect

Question 41 of 50
41. Question
If all values are same then the measure of dispersion will be
Correct
Incorrect

Question 42 of 50
42. Question
suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be:
Correct
Incorrect

Question 43 of 50
43. Question
Variance remains unchanged by change of
Correct
Incorrect

Question 44 of 50
44. Question
If Y=8X – 5 and SD of X is 3, then SD of Y is
Correct
Incorrect

Question 45 of 50
45. Question
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
Correct
Incorrect

Question 46 of 50
46. Question
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is
Correct
Incorrect

Question 47 of 50
47. Question
The percentage of value lies between ^{X¯¯¯±2sD} is
Correct
Incorrect

Question 48 of 50
48. Question
Lowest value of variance can be
Correct
Incorrect

Question 49 of 50
49. Question
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is
Correct
Incorrect

Question 50 of 50
50. Question
The mean deviation of the values, 18, 12, 15, is
Correct
Incorrect