Business Statistics and Research Methods MCQs with Answers 2027

Q701

Sample results in order to provide reliable and accurate results must conform to which of the following requirements?

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Q702

The mean age group of 100 persons was found to be 30.2. Later, it was discovered that age 57 was misread as 27. Find the corrected mean.

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Q703

Open question

The process of thoroughly checking the collected data to ensure optimal quality levelis referred to as:

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Q704

Open question

Least Square Method of fitting a line (the line of best fit or the regression line) through the scatter diagram is a method, which . . . . . . . . the sum of the squared vertical deviations from the fitted line.

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Q705

Open question

Non-sampling error occurat the time of

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Q706

Open question

The word 'statistics' is used as
OR
How the term statistics used?

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Q707

Open question

Husband and wife apply for two vacant spots in a company. If the probability of wife getting selected and husband getting selected are 3/7 and 2/3 respectively, what is the probability that neither of them will be selected?

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Q708

Open question

Assertion (A) Normal distribution curve is a bell shaped curve where mean, median and mode are equal to each other.
Reason (R) As the same size increases, all small-sample tests tends to merge with normal distribution.

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Q709

Open question

Index number are expressed in

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Q710

Open question

In the formula

R = 1 - \frac{6 \sum D ^{2}}{N ( N ^{2} - 1 )},^{'} D^{'}

stands for·

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Q711

Open question

Arrange the following steps in sequence for calculation of test of significance for large sample.
1. State the null hypothesis.
2. Compute the statistic.
3. Determine the level of significance.
4. Compute the critical value by testing the value of 'Z'.
5. Compare the value of test statistic 2 with the critical value to arrive at a decision.

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Q712

Open question

Which of the following statements is correct about a parameter and a statistic associated with repeatedrandom samples of the same size from the same population?

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Q713

Open question

In which of the following sampling methods are the "n" individuals subdivided into separate subpopulations with a common characteristic?

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Q714

Open question

Select the methods of finding out correlation from the following:
(i) Karl Pearson's Method
(ii) Spearman's Rank Method
(iii) Yule's Method
(iv) Coefficient of Contingency
(v) Concurrent Deviation Method

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Q715

Open question

The mean and standard deviation of 10 observations are 35 and 2 respectively.

List-I	List-II
a. Changed mean if each observation is increased by 4	1. 39
b. Standard deviation if each observation is increased by 4	2. 2
c. Changed mean if each observation is multiplied by 5	3. 175
d. Changed standard deviation if each observation is multiplied by 5	4. 10

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Q716

Open question

Which one of the following average can be computed from a cumulative frequency curve?

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Q717

Open question

Which of the following statement(s) is/are not true?

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Q718

Open question

Formula of the rank correlation coefficient is

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Q719

Open question

Non-sampling error may be caused by

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Q720

Open question

If 'X' is a random variable, taking values 'X', probability of success and failure being 'p' and 'g' respectively and 'n' trials being conducted, then what is the probability that 'X' takes values 'x'? Use Binomial Distribution.

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Business Statistics and Research Methodspractice.

Business Statistics and Research Methods
practice.