Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

Business Statistics and Research Methods MCQ Questions and Solutions with Explanations | Commerce

Business Statistics and Research Methods MCQ Questions and answers with easy and logical explanations. Commerce provides you all type of quantitative and competitive aptitude mcq questions with easy and logical explanations. Business Statistics and Research Methods MCQ is important for exams like B.COM, M.COM, BBA, BBM, CA, CS, CMA, CPA, CFA, UPSC, NET, Banking and other commerce department exam. Page-9 section-11

. . . . . . . . data is original in character and is generated by surveys conducted by individuals or research institutions.

A) Primary B) Secondary C) Tabulated D) None of these

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Answer: Option C

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By which one of the following formula is the standard deviation (s) of natural numbers found in sequence?

A) $$\sigma = \sqrt {\frac{{{N^2} - 1}}{8}} $$ B) $$\sigma = \sqrt {{N^2} - \frac{1}{{12}}} $$ C) $$\sigma = \sqrt {\frac{{{N^2}}}{{12}} - 1} $$ D) $$\sigma = \sqrt {\left( {\frac{1}{{12}}} \right)\left( {{N^2} - 1} \right)} $$

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Answer: Option D

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A measure of central tendency means

A) an average of a distribution B) a single figure which can be regarded as a representative of the whole distribution C) representative of a set of data D) All of the above

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Answer: Option D

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Which of the following are the methods of forming the class interval?

A) Exclusive method B) Inclusive method C) Both A and B D) Neither A nor B

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Answer: Option C

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Read the following statement and indicate the correct options from the alternative given below.
Statement I When the null hypothesisis true but as per the hypothesis-testing, it is rejected, it is known as beta type error in hypothesis testing.
Statement II Chi-square test is exclusively a non-parametric test.

A) Both the statements are true B) Both the statements are false C) Statement I is true, while Statement II is false D) Statement I is false, while Statement II is true

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Answer: Option B

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High degree of correlation is assumed, when

A) r = 0.52 B) r = 0.45 C) r = 0.9 D) r = 0.65

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Answer: Option C

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Which of the following measures are unit free?
1. Correlation coefficient
2. Covariance
3. Coefficient of variation
4. Index numbers
Select the correct answer using the options given below

A) 1, 2 and 3 B) 1, 3 and 4 C) Both 1 and 4 D) None of the above

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Answer: Option B

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The sampling distribution of the mean is a distribution of:

A) inferential statistics B) sample statistics C) population values D) population parameters

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Answer: Option B

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Proportion of changes in y due to changes in x is denoted by the following measure.

A) Standard error of estimate B) Coefficient of correlation C) Coefficient of determination D) Probable error

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Answer: Option C

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Find the Mean, Mode and Median of given set of data-5, 8, 12, 14, 12, 13, 6, 8, 12 and 10
Select the correct answer using options given below

A) 10, 12, 10 B) 10, 12, 13 C) 11, 12, 13 D) 10, 12, 11

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Answer: Option D

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