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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-6

Each section contains 100 MCQs on Business Statistics and Research Methods .
31
Poisson distribution is . . . . . . . . probability distribution.
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Answer & Solution
Answer: Option B
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32
A functional relationship between two variables is called
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Answer: Option C
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33
Match the following items of List-I and List-II with regard to hypothesis-testing.
List-I List-II
a. The ability of test to reject the null hypothesis when it is false 1. Level of significance
b. The probability of accepting a false null hypothesis 2. Type I error
c. The probability of rejecting a true null hypothesis due to sampling error 3. Type II error
d. The probability of rejecting a true null hypothesis 4. Power of a test
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Answer: Option B
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34
Each normal distribution is defined by its two parameters viz.
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Answer: Option C
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35
If the percentage error is -2 and the estimated value is 500, then the actual value will be
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Answer: Option D
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36
If P(B/A) = p(b), then P(A $$ \cap $$ B) =?
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Answer: Option C
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37
The number of COVID19 viruses observed under 5 separate electronic slides were 3, 4, 5, 6 and 7. The sum of squared deviations of observations from their sample mean is:
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Answer: Option C
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38
Given, mode = 22 and median = 21.4. Find out the average mean.
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Answer: Option A
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39
Karl Pearson's coefficient of skewness is calculated by following formula.
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Answer: Option A
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40
In a negatively skewed distribution
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Answer: Option A
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