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-4 section-4

Which of these must be avoided in a technical report?

A) Facts B) Logical conclusion C) Objective evaluation D) Subjective evaluation

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Answer & Solution

Answer: Option D

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In a Poisson Distribution, if 'n' is the number of trials and 'p' is the probability of success, then the mean value is given by:

A) m = np B) m = (np)² C) m = np(1 - p) D) m = p

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Answer: Option A

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Which among the given statement is false?

A) According to Boddington, "Statistics is the science of estimates and probabilities" B) According to Bowley, "Statistics may rightly be called the science of averages" C) According to Tippett, "Statistics is not a science, it is a scientific method" D) According to Seligman, "Statistics may be regarded as a body of methods for making wise decisionsin the face of incertainty"

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Answer: Option D

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A fitted least squares regression line:

A) may be used to predict a value of y if the corresponding x value is given B) is evidence for a cause-effect relationship between x and y C) can only be computed if a strong linear relationship exists between x and y D) none of these alternatives is correct

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Answer & Solution

Answer: Option A

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In simple linear regression, the numbers of unknown constants are:

A) One B) Two C) Three D) Four

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Answer: Option B

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The base price is taken into account in working out the price index

A) 100 B) 200 C) 300 D) 400

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Answer: Option A

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The mean marks of 100 students were found to be 40. Later on it was discovered that a score of 53 was misread as 83. The correct mean will be-

A) 39.7 B) 39.8 C) 39.9 D) None of the above

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Answer: Option A

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The total area of a normal distribution between the average value ±1.96 of standard deviation is

A) 95.45% B) 95% C) 99% D) 68.34%

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Answer & Solution

Answer: Option B

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In one series of statistics the class interval 0-10, 10-20, 20-30, 30-40 has been fixed it is what type of series?

A) Individual series B) Discrete series C) Continuous inclusive series D) Continuous exclusive series

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Answer: Option D

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The glossary is the list of

A) technical terms used in the report B) references C) subjects covered in the report D) diagrams used in the report

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Answer: Option C

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