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Each section contains 100 MCQs on Business Statistics .

Which decision systems are based on comparative analysis?

A) Accounting system B) Data analysis system C) Status inquiry system D) Information analysis system

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In the security system, the defence mechanism of the system i.e., the ability to protect the system from both, known and unknown . . . . . . . . is tested.

A) System interventions B) Validation C) User interface D) Human factors

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

When a researcher wants to test whether two samples can be regarded as drawn from the normal populations having same variance by using variance ratio, which one of the following tests of hypothesis is appropriate?

A) Z-test B) t-test C) Chi-square test D) F-test

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Under the Karl Pearson's Rule, correlation is computed by

A) $$\frac{{\sum dxdy}}{N}$$ B) $$\frac{{\sum dxdy}}{{N{\sigma _x}{\sigma _y}}}$$ C) $$\frac{{\sum dx}}{{\sum dy}}N$$ D) $$\frac{{\sum dy}}{N}$$

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following statement is/are true?

A) The basic understanding of the processes is essential even though the technology is a significant factor in a good design of information systems B) The business management process has changed from function management to process management C) The development of modern information system is a complex process D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

If μ is equal to 4 then variance of exponential probability distribution is

A) 0.0725 B) 0.0925 C) 0.085 D) 0.0625

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which of the following is/are true statements?

A) The use of the information system is accomplished through a visual medium B) The human beings are the drivers of the information system to meet their information needs C) The information systems are designed for the users who are human beings D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the probability of throwing two fours in two throws of a die?

A) $$\frac{1}{{36}}$$ B) $$\frac{1}{{39}}$$ C) $$\frac{1}{{37}}$$ D) $$\frac{1}{{41}}$$

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Management science model consists

A) Return on investment analysis B) Break-even analysis model C) Budgeting models D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

$$F = \frac{{{S_1}^2}}{{{S_2}^2}}$$ is

A) F-test B) Average test C) Correlation test D) Mean test

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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