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-10 section-4

You wish to make a precise estimate about the characteristics of a population of individuals. You should use:

A) Quota sampling B) Probability sampling C) Accidental sampling D) None of the above

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Answer & Solution

Answer: Option B

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Which of the following is more frequently used in statistical analysis of hypothesis?
1. Null hypothesis
2. Alternate hypothesis
3. Mixed hypothesis

A) Both 3 and 2 B) Both 2 and 3 C) Both 1 and 3 D) All of the above

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Answer: Option A

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In which way Charlier's test is used to check the accuracy of the counting operation while finding the arithmetic mean in frequency distribution?

A) Direct method B) Short cut method C) Mean deviation method D) B and C both methods

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Answer: Option D

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. . . . . . . . method is used for statistical quality control.

A) Sequential sampling B) Stratified sampling C) Cluster sampling D) Simple random sampling

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Answer: Option D

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The degree of confidence with, which it is asserted that a particular value of the population lies within the certain limits is known as the . . . . . . . .

A) parameter B) level of confidence C) level of significance D) level of standard error

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Answer: Option B

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Statistics is a characteristic of a . . . . . . . . and parameter is a characteristic of a . . . . . . . .

A) sample, universe B) universe, sample C) population, universe D) None of these

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Answer: Option A

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Dispersions are NOT calculated about

A) Mean B) Median C) Mode D) Geometric Mean

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Answer: Option D

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Laspreyer's formula

A) $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sum {P_0}{q_0}}} \times 100$$ B) $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sum {P_1}{q_1}}} \times 100$$ C) $${L_{p01}} = \frac{{\sum {P_1}{q_0}}}{{\sqrt {\sum {P_1}{q_1}} }} \times 10$$ D) None of these

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Answer: Option A

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Regression analysis is a measure of

A) Degree and direction of relationship B) Degree of association C) Cause and effect relationship D) None of these

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Answer: Option C

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100

Which of the following statements are true? Select the correct option.
(1) The coefficient of rank correlation has the same limits as the Karl Pearson's coefficient of correlation.
(2) The coefficient of correlation is independent of the change of origin but not of scale.
(3) The covariance between X and Y is defined as where and n = number of paired observations.
(4) Bxy is called regression coefficient of X variable on Y variable.
(5) If bxy is 0.4 and byx is 1.6, coefficient of determination would be 0.8.

A) 1, 2 and 3 B) 1, 3 and 4 C) 3, 4 and 5 D) 2, 3 and 5

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Answer: Option B

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