Management · all questions

Business Statistics
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Q241

The level of significance is the probability of committing the

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Q242

If r₁₂ = 0.86, r₁₃ = 0.65 and r₂₃ = 0.72, prove that r_{12.3_{= 0.743}}

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Q243

DBMS file contains

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Q244

Which one of the following possibilities leads to Type I error in hypothesis testing?

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Q245

Consider the following statements relating to correlation and regression analysis.
Statement I Correlation is independent of change of scale, but not of origin.
Statement II Correlation denotes co-variability between the Variables.
Statement III Regression is a relative measure of relationship between Variables.
Statement IV Regression is independent of change of origin, but not of scale

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Q246

When the population size 'N' is very large relative to the sample size 'n', the finite population multiplier takes on value close to

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Q247

Given

A Values	B Values
5	3
10	6
15	10
20	15
25	18
30	22

The above series is an example of

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Q248

Given

Business Statistics mcq question image

(Here PC Means Personal Computer)
The above network is a

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Q249

LAN

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Q250

Presentation of the information is

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Q251

Which decision systems are based on comparative analysis?

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Q252

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.

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Q253

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?

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Q254

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

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Q255

Which of the following statement is/are true?

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Q256

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

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Q257

Which of the following is/are true statements?

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Q258

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

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Q259

Management science model consists

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Q260

F = \frac{S _{1} ^{2}}{S _{2} ^{2}}

is

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