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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-5 section-10

Each section contains 100 MCQs on Business Statistics and Research Methods .
41
Match the following.
List-I List-II
a. Range 1. Summing up the consecutive frequencies
b. Width of the interval 2. Range/Number of classes
c. Open ended class 3. Highest value-lowest value in data
d. Cumulative frequency 4. No lower limit of first group or no upper limit of the last group
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Answer & Solution
Answer: Option B
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42
In case of unequal term values-
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Answer: Option B
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43
A histogram is constructed from a frequency distribution and is
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Answer: Option B
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44
Who said, "Statistics is the science of estimates and probabilities."
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Answer: Option B
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45
Harmonic mean is calculated by dividing the number of observations by the reciprocal of each number in the series. Thus, the harmonic mean is:
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Answer & Solution
Answer: Option A
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46
Regression analysis measures:
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Answer & Solution
Answer: Option D
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47
Match the following.
List-I List-II
a. Diagrammatic representation 1. Geographical, chronological, qualitative, quantitative
b. Graphic representation 2. Ungrouped, grouped
c. Frequency distribution 3. Bar diagram, pie chart, pictogram
d. Classification of data 4. Histogram, frequency polygon, ogive
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Answer & Solution
Answer: Option B
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48
Which of the following is correct?
1. Large sample, n > 30
2. Small sample, n < 20
3. Probability of type I error (α) is also called significance level of least.
4. Accepting the null hypothesis, when it is false is called type II error.
Select the correct answer using the options given below
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Answer: Option C
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49
Which of the following are the positional averages?
1. Mean
2. Median
3. Mode
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Answer: Option B
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50
Which of the following is correct?
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Answer & Solution
Answer: Option A
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