Quiznetik

Basic Numerical Skills | Set 2

1. Bar diagrams are

Correct : A. One dimensional

2. Pictograms are shown by

Correct : D. Pictures

3. The point of intersection of the less than and the greater than ogives corresponds to :

Correct : C. Median

4. The number of observations corresponding to a particular class is known as ……..

Correct : D. Frequency

5. Cumulative frequency only refers to the

Correct : C. Both

6. In a rail accident the appropriate method of data collection is

Correct : B. Indirect oral investigation

7. Diagrams are tools of

Correct : D. Presentation of Data

8. Histogram is a

Correct : A. Graph

9. Divided bar chart is considered for

Correct : D. a) & b)

10. Which method of data collection covers the widest area?

Correct : B. Mailed questionnaire method

11. In chronological classification data are classified on the basis of

Correct : C. Time

12. In pic diagram, divisions are shown by means of

Correct : B. Sector

13. In direct personal investigation, the investigator should be

Correct : C. Optimistic

14. For drawing histogram the data should be

Correct : B. Continuous distribution

15. A single value which can represent the whole set of data is called

Correct : B. Average

16. …………….. is the sum of the values divided by the total number of items in the set.

Correct : C. Mean

17. The degree to which numerical data tend to spread about an average value is called

Correct : A. Dispersion

18. Which is not a measure of variation

Correct : D. Mode

19. The second quartile is equal to

Correct : B. Median

20. Which is the mode in a set {1, 3, 5, 7, 8, 9, 7, 6, 2, 7}

Correct : C. 7

21. The difference between the maximum and the minimum observation of the given data is called ……………

Correct : A. Range

22. The points of intersection of the less than and more than ogive corresponds to

Correct : B. Median

23. A time series is a set of data recorded

Correct : D. All the above

24. Skewness refers to

Correct : B. Asymmetry

25. When the measure of kurtosis is greater than 3 the distribution is

Correct : B. Lepto Kurtic

26. Index numbers are

Correct : D. All of these

27. …………… Index number is called ideal Index number

Correct : D. Fisher’s

28. Consumer price Index number is constructed for

Correct : A. A well defined section of people

29. Co-efficient of Range = ………………

Correct : D. − +

30. For a normal distribution, Q3 + Q1 – 2 Median = …………

Correct : D. 0

31. Lorenz curve is used to study

Correct : D. Dispersion

32. Moving average method of fitting trend in a time series data removes the effect of

Correct : B. Short term movements

33. A time series is unable to adjust the influences like

Correct : A. Customs and policy changes

34. The best average for constructing an Index number is

Correct : C. Geometric mean

35. …………. Index is based on the price and quantities of both base year and current year

Correct : C. Fishers

36. When mean is less than median and median is less than mode the distribution is called ……………

Correct : B. Negatively skewed

37. Co-efficient of standard deviation is

Correct : B. SD / Mean

38. Measures of central tendency are called averages of the ……….. order

Correct : A. First

39. The standard deviation of 10,16,10,16,10,10,16,16

Correct : C. 3

40. ……………… is called positional measure

Correct : B. Median

41. Mean of 3 items is 30 two of them are 20 and 30. What is the other?

Correct : A. 40

42. Index number for the base period is always taken as

Correct : D. 100

43. Kelley’s co-efficient of Skewness is based on

Correct : C. Percentiles