In statistical analysis, the burden of proof lies traditionally with
A. alternative hypothesis
B. null hypothesis
C. analyst
D. facts
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Business system consists
A. Target fixing
B. Markets
C. Business forecasting for products
D. All of the above
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From the following statements choose the correct statements.
Statement I A statistic is a characteristic of a population.
Statement II The standard error of mean is the standard deviation of the sampling distribution.
Statement III The standard error of mean decreases in direct proportion to sample size.
A. Statements I and II are true
B. Statement II is true
C. Statements II and III are true
D. Statement III is true
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. . . . . . . . processing is designed to process more than one type of transactions to bring out the specific business results in one or more business functions.
A. Transaction processing
B. Application processing
C. Data processing
D. Information processing
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Which of the following statement is correct about Electronic Business Technology?
A. Portal by character is a place where information on dedicated portal subject is available
B. Password is possessed by an individual and is to be kept in secured condition so that it is not exposed to anybody for misuse
C. A fire well is defined as software or hardware that allows only those external users with specific access characteristics to enter into the network
D. All of the above
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How many degrees of freedom should be used to apply chi-square test statistic oil a contingency table, having 5 row and 4 columns?
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In Job order cost system the costs are assigned to the jobs passing through the plant and are accumulated by recording the basic job statistics on the
A. Job card
B. Process card
C. Cost record
D. Process cost system
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When the relationship is of quantitative nature, the appropriate statistical tool for discovering and measuring the relationship and expressing it, in brief formula is known as
A. Sampling Theory
B. Regression Analysis
C. Average
D. Correlation
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"The centre of interest in sampling theory is the development of criteria for assisting common sense or educated judgement concerning the magnitude of chance fluctuation in statistical ratios, averages and co-efficients." Who said?
A. J. F. Kenny and E. S. Keeping
B. W. A. Spur and C. P. Bonini
C. Karl Pearson
D. K. D. Lickert
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It is often more important to find out what the relation actually is, in order to estimate or product one variable and the statistical technique appropriate to such a case is called
A. Regression analysis
B. Average
C. Correlation analysis
D. Mean
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Yaties correction of continuity is
A. χ 2 = ( a + c ) ( b + d ) ( a + b ) ( c + d ) N [ ( a d − b c ) − 2 1 N ] 2
B. χ 2 = σ 0 2 ( n ) ( σ s 2 )
C. χ 2 = ∑ f ∑ ( O f − E f ) 2
D. None of the above
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Which one among the following relates to the probability based sampling technique?
A. Quota sampling
B. Snow ball sampling
C. Stratified sampling
D. Judgement sampling
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Which of the following statements are true?
A. Secondary data is least helpful to develop questionnaires
B. Secondary data is least helpful to formulate hypothesis
C. Secondary data is least helpful in interpreting results
D. Secondary data is least helpful in evaluating new products
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A hypothesis that asserts that there is no true differencein the sample and the population in the particular matter under study is termed as
A. null hypothesis
B. true hypothesis
C. alternate hypothesis
D. rejected hypothesis
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. . . . . . . . errors are made when the test rejects a hypothesis which is true?
A. Type I
B. Type II
C. Both A and B
D. None of these
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Type of information includes
A. Control information
B. Knowledge information
C. Action Vs. no-action information
D. All of the above
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If the stock level ≤ then recorder level, then draw a purchase order of the quantity equal to the
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The structured systems analysis develops . . . . . . . . of the system
A. Graphical model
B. Logical model
C. Conceptual model
D. All of the above
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Decision making using MIS is
A. Sequential in nature
B. Exceedingly complex due to risks and trade offs
C. Influenced by personal values
D. All of the above
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The . . . . . . . . that one of the several mutually exclusive events X1 , X2 , X3 , . . . . . . . . , Xn ; shall happen is the sum of the probabilities of the individual events.
A. regression analysis
B. correlation analysis
C. probability
D. error
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