Commerce · all questions

Business Statistics and Research Methods
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Q461

Which of the following relationship is correct?

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Q462

The ideal measure of dispersion is called

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Q463

If the lower and upper limit of a class are 20 and 40, then the mid-point

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Q464

It is appropriate to calculate the mean excluding the extreme value in order to make it more representative.

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Q465

The mean deviation is minimum when deviations are taken from:

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Q466

Match the groups of List-I with List-II and select the correct answer from the options given below

List-I	List-II
a. Index	1. General
b. Base year	2. $\frac{\sum R W}{\sum W}$
c. Index of the base year	3. Economic barometer
d. Family income-expenditure method	4. 100

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Q467

Which of the following is the main benefit of business research?

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Q468

If mean = 50, mode = 40 and standard deviation = 5, the distribution is:

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Q469

Which one of the following is a formula of Karl Pearson's coefficient correlation?

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Q470

Match the items of List-I with the items of List-II and indicate the option of correct matching:

List-I	List-II
a. Contingency coefficient for any size of contingency table	1. $\frac{N - n}{N - 1}$
b. Statistical approach to decide size of a sample	2. $\frac{σ _{p}}{n}$
c. Finite population multiplier	3. $\frac{x ^{2}}{x ^{2} + n}$
d. Standard error of mean	4. $\frac{Z ^{2} . σ _{p}^{2}}{e ^{2}}$

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Q471

It is suitable to use Binomial Distribution only for:

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Q472

The probability that at least one of the events M and N occur is 0.6. If M and N have probability of occurring together as 0.2, then P(M) + P(N) is:

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Q473

Which of the following is not applicable in the series of non-probability sampling method?

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Q474

What does the term 'longitudinal design' mean?

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Q475

Time series is related to:

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Q476

Which one of the following is not probability sampling method?

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Q477

Which of the following is the most common example of a situation for which the main parameter of interest is a population proportion?

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Q478

Classification of respondents only on the basis of gender is an application of:

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Q479

Theoretically the best average in the construction of index number is:

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Q480

If the calculated value is equal or . . . . . . . . than the table value, the null hypothesis to be accepted but, if the calculated value is . . . . . . . . than the table value, the hypothesisis rejected.

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