Business Statistics

51

Given the steps of information system
1. Data processing
2. Transaction processing
3. Application processing
4. Information system processing
Which is the correct sequence of information system's steps

A) 1, 4, 3 and 2 B) 1, 2, 3 and 4 C) 1, 4, 2, and 3 D) 1, 3, 4 and 2

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Answer & Solution

Answer: Option B

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52

. . . . . . . . defines the limits above and below the size of the coefficient determined within which, there is an equal chance that coefficient similarly calculated from other samples will fall.

A) Standard error B) Correlation error C) Probable error D) Average error

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Answer & Solution

Answer: Option C

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53

Suppose we want to test the Null hypothesis that the population mean is 300, it is symbolized as

A) H₀ : µ = 300 B) H_A : µ = 300 C) H₀ : µ > 300 D) H₀ : µ < 300

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Answer & Solution

Answer: Option A

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54

A sample design that permits us to obtain tests and estimation about population parameters is called

A) Bernoulli principle B) Principle of validity C) Principle of persistence of small numbers D) Principle of optimization

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Answer & Solution

Answer: Option B

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55

Correlation implies that

A) the effect of correlation is to reduce the range of uncertainty of our prediction B) between two series or groups of data there exists some causational connections C) the whole subject of correlation refers to inter-relation between separate character by which they tend, in some degree atleast, to move together D) All of the above

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Answer & Solution

Answer: Option D

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56

The basic feature of ERP is/are

A) Diagnostic function B) Application logic C) Command language D) All of the above

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Answer & Solution

Answer: Option D

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57

Which one of the following statement is false?

A) Sample space refers to the collection of all favourable outcomes of an experiment B) Collectively exhaustive events are those whose union is sample space C) All the outcomes of an experiment are known as sample space D) Two events are said to be independent if the happening of one does not affect the probability of happening of the other

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Answer & Solution

Answer: Option A

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58

Which one of the following indices satisfies both time reversal and factor reversal test

A) Laspeyres test B) Fisher's test C) Paasche's test D) Keely's test

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Answer & Solution

Answer: Option A

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59

The steps in the development of the conceptual models are

A) Graphical representation B) Relational identity C) Data analysis D) All of the above

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Answer & Solution

Answer: Option D

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60

Given

a	b	(a + b)
c	d	(c + d)
(a + c)	(b + d)	N

The above table is used for

A) Computing $${\chi ^2}$$ B) Computing regression analysis C) Computing correlation D) Computing average

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Answer & Solution

Answer: Option A

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