If F ∼ F ( ν 1 , ν 2 ) then 1/ F ∼
A. F ( ν 2 , ν 1 )
B. F ( ν 1 , ν 2 )
C. F ( ν 1 / ν 2 )
D. F ( ν 2 / ν 1 )
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Chebyshev's theorem provides that atleast 89% of the values will lie within ±3 standard deviations from the mean for
A. bell shaped distributions
B. positively skewed distributions
C. negatively skewed distributions
D. all of the above
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Attributes of decision support system are
A. Flexibility
B. Database
C. Simple models
D. None of these
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Match the items of List-I with those of List-II and choose the correct answer.
List-I
List-II
a. The probability of two events occurring together or in succession
1. Marginal probability
b. The probability of occurring one event given that another event has occurred
2. Posterior probability
c. The probability of occurring a single event
3. Subjective probability
d. The probability revised in the light of additional information
4. Joint probability
5. Conditional probability
A. a-4, b-5, c-1, d-3
B. a-5, b-4, c-2, d-3
C. a-5, b-4, c-3, d-1
D. a-4, b-5, c-1, d-2
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The value set of α is known as
A. the rejection level
B. level of significance
C. error
D. power test
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The Management Information System applies on
A. Modelling systems
B. Analysis systems
C. Query systems
D. All of these
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Which of the following statements are not true with regard to questionnaire?
A. It must comprise of double barreled questions
B. It should not comprise of technical jargons
C. It should avoid leading questions
D. It should avoid unambiguous words
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Let byx and bxy denote the regression coefficient of y and x on of x on y, respectively. Then, byx = bxy implies that
A. σy = σx
B. ρ = 1
C. ρ = 0
D. None of these
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System analysis plays a central role in the development of
A. The management information system
B. Planning system
C. The computer system
D. Design system
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If p = 0.6 for a particular Bernoulli process, the calculation ( 5 ! × 3 ! 8 ! ) ( 0.6 ) 3 ( 0.4 ) 3 indicates the probability of happening of
A. 5 or more successes in eight trials
B. 3 or more successes in eight trials
C. exactly 5 successes in eight trials
D. exactly 3 successes in eight trials
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The goal of psychoanalysis is
A. to show you what things you need to make your life happier
B. to help you consciously recognise the roots of your problems
C. to make you forget the things that are troubling you
D. to make you conform to society's expectations
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Given, P ( A ) = m + n m
This formula may be used in
A. Hypothesis
B. Regression analysis
C. Probability theory
D. Correlation analysis
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Which of the following statement is/are correct?
A. The processing of data for the information processing should be allowed only after a thorough validation of the transactions and contents, as a whole, on a logical plane
B. The quality of information can be measured on the four dimensions, viz., utility, satisfaction, error and bias
C. The quality of information is high, if it creates managerial impact leading to attention, decision and action
D. All of the above
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The Enterprise Resource Planning (ERP) system deals
A. With the planning and use of resources used in the business
B. With the financial planning and use of resource
C. With the planning of computer
D. All of the above
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Sourcing of MIS includes
A. Data validation
B. Data entry
C. Data acquisition
D. All of these
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If A1 , A2 . . . . . . . . An are 'n' mutually exclusive and exhaustive events and B is a common event, then Baye's theorem deals with
A. P(B/Ai )
B. ∑ P(B ∩ Ai )
C. P(Ai ∪ B)
D. P(Ai /B)
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Match the following
List-I (Degree of correlation)
List-II (Measurement)
a. Absence of correlation
1. +0.90 or More
b. Moderate
2. +1
c. Perfect
3. +0.60 to +0.75
d. Very high
4. 0
A. a-1. b-2, c-3, d-4
B. a-4, b-3, c-2, d-1
C. a-3, b-1, c-4, d-2
D. a-3, b-2, c-1, d-4
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The following are the two statements relating to the theory of probability. Indicate the statements being correct or incorrect.
Statement I The probability of the joint occurrence of independent events A and B is equal to the probability of event A multiplied by the probability of event B or vice-versa .
Statement II The probability of the joint occurrence of independent event A and dependent event B is equal to the probability of event A multiplied by the conditionalprobability of event B when event A has occurredor vice-versa .
A. Both statements are correct
B. Both statements are incorrect
C. Statement I is correct while Statement II is incorrect
D. Statement I is incorrect while Statement II is correct
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Benefits of Integrated Data Processing are
A. The use of the same co-ordinated data ensures accuracy
B. It assists in laying down necessary control mechanism in as much as each level of management becomes aware of the information flowing to the other levels
C. In an integrated data processing system, data is properly analysed and shifted, unnecessary items are weeded out, and data are to flow with speed
D. All of the above
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The role of the compiler is
A. To convert a raw into finished
B. To convert the source code to programming language
C. To convert information into result
D. To convert the device into output
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