Statistics Solved MCQs | Part Five

Statistics Solved MCQs | Part Five

BASICS OF STATISTICS AND STATISTICAL DATA

Q1. The specific statistical methods that can be used to summarize or to describe a collection of data are called:

  1. Descriptive statistics
  2. Inferential statistics
  3. Analytical statistics
  4. All of the above

Q2. The need for inferential statistical methods derives from the need for ______________.

  1. Population
  2. Association
  3. Sampling
  4. Probability

Q3. A population, in statistical terms, is the totality of things under consideration. It is the collection of all values of the _________________ that is under study.

  1. Instance
  2. Variable
  3. Amount
  4. Measure

Q4. Non-sampling errors are introduced due to technically faulty observations or during the ______________________ of data.

  1. Processing
  2. Analysis
  3. Sequencing
  4. Collection

Q5. Sampling is simply a process of learning about the __________________ on the basis of a sample drawn from it.

  1. Census
  2. Population
  3. Group
  4. Area

Q6. Numerical facts are usually subjected to statistical analysis with a view to helping a decisionmaker make wise decisions in the face of ___________________.

  1. Interpreting
  2. Uncertainty
  3. Summarizing
  4. Organizing

Q7. In statistics, ___________________________ classification includes data according to the time period in which the items under consideration occurred.

  1. Chronological
  2. Alphabetical
  3. Geographical
  4. Topological

Q8. Data is simply the numerical results of any scientific__________________.

  1. Analysis
  2. Researches
  3. Observation
  4. Measurement

Q9. The ________________ process would be required to ensure that the data is complete and as required.

  1. Tabulation
  2. Analysis
  3. Editing
  4. Ordering

Q10. A sample is a portion of the ________________ population that is considered for study and analysis.

  1. Selected
  2. Total 
  3. Fixed
  4. Random

Q11. The method of sampling, in which the choice of sample items depends exclusively on the judgement of the investigator is termed as ________________________.

  1. Convenience sampling
  2. Quota sampling
  3. Systematic sampling
  4. Judgement sampling

Q12. Both the sampling as well as the non-sampling errors must be reduced to a minimum in order to get as representative a sample of the ___________________ as possible. 

  1. Group
  2. Region
  3. Population
  4. Universe

Q13. The larger the size of the population, the ___________________ should be the sample size.

  1. Smaller
  2. Larger 
  3. Accurate
  4. Fixed

Q14. When the data is to be processed by computers, then it must be coded and converted into the ____________________ ___________________.

  1. English language
  2. Regional language
  3. Statistical language
  4. Computer language

Q15. A variable is any characteristic which can assume ____________________ values.

  1. Different
  2. Similar
  3. Fixed
  4. Assumed

Q16. The basic objective of a sample is to draw ____________________ about the population from which such a sample is drawn.

  1. Conclusion
  2. Characteristics
  3. Inferences
  4. Parameters

Q17. In ___________________ type of classification, the data is grouped together according to some distinguished characteristic or attribute, such as religion, sex, age, national origin, and so on.

  1. Quantitative
  2. Chronological
  3. Qualitative
  4. All of the above

Q18. A _____________________ variable is a variable whose values can theoretically take on an infinite number of values within a given range of values.

  1. Continuous
  2. Discrete
  3. Random
  4. Both (a) and (b) 

Q19. A perfect random number table would be one in which every digit has been entered _______________.

  1. Chronologically
  2. Sequentially
  3. Randomly
  4. Arbitrarily 

Q20. The _________________ random variables yield categorical responses so that the responses fit into one category or another.

  1. Quantitative
  2. Discrete
  3. Continuous
  4. Qualitative

Q21. For a sample to be truly representative of the population, it must truly be________________.

  1. Fixed
  2. Random
  3. Specific
  4. Casual 

Q22. A ______________ is a phenomenon of interest in which the observed outcomes of an activity are entirely by chance, are absolutely unpredictable and may differ from response to response.

  1. Discrete variable
  2. Continuous variable
  3. Random variable
  4. All of the above

Q23. By definition of randomness, each ________________ ______________ has the same chance of being considered.

  1. Possible entity
  2. Probable entity
  3. Random entity
  4. Observed entity

Q24. Before any procedures for _____________ are established, the purpose and the scope of the study must be clearly specified.

  1. Data analysis
  2. Data tabulation
  3. Data collection
  4. Data selection 

Q25. Adequacy of data is to be judged in the light of the requirements of the survey and the geographical areas covered by the __________________ data.

  1. Collected
  2. Available
  3. Organized
  4. Tabulated 

Q26. If the sample is truly representative of the population, then the characteristics of the sample can be considered to be the same as those of the _______________ population. 

  1. Fixed
  2. Selected
  3. Random
  4. Entire

Q27. Statistical inference deals with methods of inferring or drawing ___________________ about the characteristics of the population based upon the results of the sample taken from the same population.

  1. Details
  2. Decisions
  3. Conclusions
  4. Samples

Q28. If the sample size is too small, it may not _______________ represent the population or the universe as it is known, thus leading to incorrect inferences.

  1. Appropriately
  2. Reliably
  3. Homogeneously
  4. Heterogeneously

29. Editing would also help eliminate inconsistencies or obvious errors due to _______________ treatment.

  1. Characteristic
  2. Arithmetical
  3. Calculation
  4. Tabulation 

30. When an investigator uses the data which has already been collected by others, such data is called _______________. 

  1. Primary data
  2. Collected data
  3. Processed data
  4. Secondary data 

31. In the case of the questionnaire method of gathering data, it should be made certain that all the questions have been _____________________.

  1. Read
  2. Interpreted
  3. Answered
  4. All of the above

Q32. _____________________ provides various types of statistical information of either qualitative or quantitative nature.

  1. Sampling
  2. Tabulation
  3. Observation
  4. Editing 

Q33. In statistics, ____________________classification groups the data according to locational differences among the items.

  1. Chronological
  2. Geographical
  3. Regional
  4. Alphabetical

Q34. The degree of randomness of selection would depend upon the process of selecting the items from the ________________________.

  1. Population
  2. Region
  3. Sample
  4. Data

Q35. A  _____________________ sampleis obtained by selecting convenient population units.

  1. Random
  2. Quota
  3. Stratified
  4. Convenience

Q36. A ________________ sample is formed by selecting one unit at random and then selecting additional units at evenlyspaced intervals until the sample has been formed.

  1. Stratified
  2. Systematic
  3. Judgement
  4. Random

Q37. Thesampling errors arisedueto drawing faultyinferences about the based upon the results of the samples.

  1. Sample
  2. Survey
  3. Population
  4. Census

Q38. A summary measure that describes any given characteristic of the population is known as ………

  1. Parameter
  2. Information
  3. Inference
  4. Statistics

Q39. ________________ means separating items according to similar characteristics and grouping them into various classes.

  1. Tabulation
  2. Editing
  3. Separation
  4. Classification

Q40. ________________ is one which is collected by the investigator himself for the purpose of a specific inquiry or study.

  1. Secondary Data
  2. Primary Data
  3. Statistical Data
  4. Published Data

UNIT 2: ANALYSIS OF STATISTICAL DATA

Q1. In chronological classification, the data is classified based on

  1. Time
  2. Money
  3. Location
  4. Quality

Q2. The classification of data according to location is what classification:

  1. Chronological
  2. Quantitative
  3. Qualitative
  4. Geographical

Q3. The magnitude of the class is:

  1. The product of a lower limit and upper limit
  2. The sum of the lower limit and upper limit
  3. The difference between the upper limit and lower limit
  4. None of these

Q4. A function very similar to that of sorting letters in a post office is:

  1. Mean
  2. Standard deviation
  3. Classification
  4. Mean deviation

Q5. The value lying half way between the upper limit and lower limit of the class is:

  1. Class Interval
  2. Mid point
  3. Frequency
  4. None of the above

Q6. The classes in which the lower limit or the upper limit is not specified are known as:

  1. Open end classes
  2. Close end classes
  3. Inclusive Classes
  4. Exclusive Classes

Q7. Classes in which upper limits are excluded from the respective classes and are included in the immediate next class are:

  1. Open end classes
  2. Close end classes
  3. Inclusive Classes
  4. Exclusive Classes

Q8. If the class mid points in a frequency distribution of age of a group of persons are 25, 32, 39, 46, 53 and 60. The size of the class interval is:

  1. 5
  2. 7
  3. 8
  4. 6

Q9. The number of observations in a particular class is called:

  1. Width of the class
  2. Class mark
  3. Frequency
  4. None of the above

Q10. If the mid points of the classes are 16, 24, 32, 40, and so on, then the magnitude of the class interval is:

  1. 8
  2. 9
  3. 7
  4. 6

Q11. The first step in tabulation is:

  1. Foot note
  2. Source note
  3. Captions
  4. Classification

Q12. A systematic arrangement of data in rows and columns is:

  1. Table
  2. Tabulation
  3. Body
  4. All the above

Q13. The numerical information in a statistical table is called the:

  1. Table
  2. Foot note
  3. Source note
  4. Body

Q14. In a statistical table,the row headings are referred to as:

  1. Source note
  2. Captions
  3. Stubs
  4. Body

Q15. In the statistical table, column headings are called:

  1. Stubs
  2. Captions
  3. Source note
  4. None of these

Q16. If the class mid points in a frequency distribution of a group of persons are: 125, 132, 139, 146, 153, 160, 167, 174, 181 pounds, then the size of the class is:

  1. 6
  2. 8
  3. 7
  4. 9

Q17. The different types of samplings are:

  1. Probability
  2. Judgement
  3. Mixed
  4. All the above

Q18. Two dimensional diagrams used in surface diagrams are:

  1. Squares
  2. Piediagrams
  3. Circles
  4. All the above

Q19. One dimensional diagram is:

  1. Line diagram
  2. Rectangles
  3. Cubes
  4. Squares

Q20. The type of Bar Diagram is:

  1. Pictogram
  2. Subdivided diagram
  3. Line diagrams
  4. Piediagram

Q21. The most commonly used device for presenting business and economic data is:

  1. Piediagrams
  2. Pictograms
  3. Bardiagrams
  4. Line diagrams

Q22. Apie diagram is also called:

  1. Pictogram
  2. Angular diagram
  3. Line diagram
  4. Bar diagram

In the volume diagram, the three dimensions that are taken into account are:

  1. Length, weight, breadth
  2. Height, weight, breadth
  3. Length, height, breadth
  4. Length,weight,height

Q24. The median of a frequency distribution is found graphically with the help of:

  1. Histogram
  2. Frequency Curve
  3. Frequency Polygon
  4. Ogive

Q25. The mode of a frequency distribution can be determined graphically by:

  1. Histogram
  2. Frequency Curve
  3. Frequency Polygon
  4. Ogive

Q26. Find themedian ofthe given ogive:

 

  1. 150
  2. 200
  3. 148
  4. 175

Q27. What is the appropriate simple annual growth rate of total assets between 1990 and 1993?

  1. 36%
  2. 12%
  3. 9%
  4. 27%

Q28. From the figure given in Question 27, find the only item that has shown positive growth between 1991 and 1993?

  1. Net Fixed Assets
  2. Net Current Assets
  3. Investments
  4. Total assets

Q29. Ifa sample of size n from a given finite population of size N, then the total number of samples is:

  1. N! / (N –n)!
  2. N!
  3. N! /n!
  4. N! /n! (N – n )!

Q30. The set of values of the statisticso obtained, one for each sample, constitutes what is called:

  1. Sampling Distribution
  2. Systematic Sampling
  3. Stratified Sampling
  4. Cluster Sampling

Q31. Standard error of the sampling distribution ofa statistic t is:

  1. √ Standard Deviation
  2. √ Median
  3. Variance
  4. √ Mean

Q32. From the above graph in which year wasthe growth in expenditure maximum as compared to the previous year:

  1. 1993
  2. 1995
  3. 1991
  4. 1992

Q33. The equity base of the companies remains unchanged, then the total divided earning by share holders in 1991-1992 is:

 
A. Rs 104 Lakh  
B. Rs 9 Lakh
C. Rs 12.8 Lakh
D. Rs 15.6 Lakh

Q34. From the above figure response, the retained profit in 1991-1992 as compared to that in 1990-1991 was:

  1. Higher by 2.5%
  2. Higher by 1.5%
  3. Lower by 2.5%
  4. Lower by 1.5%

Q35. A professor keeps data on students tabulated by performance and sex of the students. The data is kept on the computer disk and due to virus the following data could be recovered. An expert committee was formed and it was decided. Half the students were either excellent or good. 40% of the students were female. 1/3 of the male students were average.

Performance

Average

Good

Excellent

 

Male

16

22

10

48

Female

24

8

-

32

Total

40

30

10

80

Howmany students are both female and excellent?

  1. 0
  2. 8
  3. 16
  4. 32

Q36. Among every student what is the ratio of male and female:

  1. 1:2
  2. 2:1
  3. 3:2
  4. 2:3

Q37. Machine A as well as machine B can independently produce either product P or Q. The time taken by machine A and B in minutes to produce one unit of product P and Q is given as follows: (each machine works 8 hours per day)

Product

A

B

P 10 8
Q 6 6

If equal quantities of both are to be produced, then out of the 4 choices, the least efficient way would be

  1. 48 of each with 3 min idle
  2. 64 of each with 12 min idle
  3. 53 of each with 10 min idle
  4. 71 of each with 9 min idle

Q38. If the number of units of P is to be 3 times that of Q, what is the maximum idle time to maximize total units manufactured?

  1. 0 min
  2. 24 min
  3. 1 hr
  4. 2 hr

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