Management · all questions

Business Statistics
practice.

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382

Questions

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Q281

Open question

R_1.23 computed by

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Q282

Open question

Given

\sum

dxdy = 2350,

\sum

d²x = 8250,

\sum

d²y = 724, then r will be

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Q283

Open question

MIS evaluation includes

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Q284

Open question

Probability theory does not include

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Q285

Open question

The density function is a measure of the concentration of probability within

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Q286

Open question

SSAD stands for

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Q287

Open question

Match the items of List-I with the items of List-II and choose the correct answer.

List-I	List-II
a. Mean forecast error	1. Mean of absolute deviations of forecast demands from actual demand values
b. Mean absolute deviation	2. Mean of the squares of the deviations of forecast demands from actual demand values
c. Mean square error	3. Mean of the deviations of the forecast demands from actual demand
d. Mean absolute percent error	4. Mean of the percent deviations of the forecast demands from the actual demand

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Q288

Open question

Match the following.

List-I (Degree of Correlation)	List-II (Measurement)
a. No correlation	1. 0
b. Perfect correlation	2. +1
c. Moderate correlation	3. 0.6 - 0.75
d. Very high correlation	4. 0.9 or more

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Q289

Open question

If the decision process are . . . . . . . ., the information technology choice will weigh in favour of those systems, where the acquisition, processing, analysis and decision making will be at distributed nodel points.

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Q290

Open question

The characteristics of a programming language are

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Q291

Open question

Match the following

List-I (Sub-modules of ERP)	List-II (Elements)
a. Sales	1. Forecasting
b. Production	2. Planning
c. Materials	3. Purchase
d. Finance	4. Cash analysis and Control

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Q292

Open question

If covariance of X and Y is 12.3, variance of X is 16.4 and variance of Y is 13.8, then r will be

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Q293

Open question

The quality of information is governed by the

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Q294

Open question

When one regression coefficient is negative, the other would be

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Q295

Open question

Statement I Exponential probability distribution has the mean =

\frac{1}{μ}

and variance =

\frac{1}{μ ^{2}}

Statement II The mean, median and mode do not coincide in the normal distribution.
Statement III The binomial distribution is symmetrical for any value of p (probability of success).

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Q296

Open question

Standard error can be calculated by