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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-4 section-7

Each section contains 100 MCQs on Business Statistics and Research Methods .
31
If the coefficient of determination is a positive value, then the regression equation:
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Answer & Solution
Answer: Option C
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32
Calculate the mean of marks of 46 students from the following table.
Marks (X) Frequency
9 1
10 2
11 3
12 4
13 5
14 6
15 7
16 8
17 9
18 10
Total 55
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Answer & Solution
Answer: Option B
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33
Concurrent deviation correlation coefficient is obtained by the following formula.
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Answer & Solution
Answer: Option A
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34
Arithmetic mean of 98 items is 50. Two items 60 and 70 were left out at the time of calculation. What will be the correct mean of all the items?
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Answer & Solution
Answer: Option B
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35
Consider the following statements:
1. Median is not useful while dealing with skewed distribution such as income distribution or price distribution
2. Median can be determined graphically by drawing only one ogive
3. Mode can be used to describe qualitative phenomenon
Which of the above statements are correct?
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Answer & Solution
Answer: Option B
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36
The median of a series is 10. Two additional observations will be 7 and 20 are added to this range. The median of new class will be
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Answer & Solution
Answer: Option C
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37
The . . . . . . . . can be formed by dividing the frequency distribution by the total number of observations.
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Answer: Option B
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38
Match the following.
List-I List-II
a. Research type 1. Problem solving
b. Research design 2. Feminist
c. Research method 3. Survey
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Answer & Solution
Answer: Option C
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39
Which of the following are considered nonparametric tests?
1. Mann-Whitney U test
2. Kruskal-Wallis test
3. F-test
4. T-test
5. Chi-square test
Choose the correct option from the following:
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Answer & Solution
Answer: Option A
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40
Pre-testing the questionnaire is associated with:
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Answer & Solution
Answer: Option B
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