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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-3 section-10

Each section contains 100 MCQs on Business Statistics and Research Methods .
21
Calculate rank correlation coefficient from the following data.
X 59 69 39 49 29
Y 79 69 39 49 39
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Answer & Solution
Answer: Option B
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22
Consider the following statements.
Statement (I): If the alternative hypothesis is as Ha: μ ≠ μ0; a researcher requires two-tailed test in hypothesis-testing.
Statement (II): The mean of the sampling distribution of mean is not equal to the parametric value of mean.
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Answer & Solution
Answer: Option C
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23
In the regression equation X = a + bY, the X is called:
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Answer & Solution
Answer: Option B
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24
If a study is "reliable", this means that:
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Answer & Solution
Answer: Option B
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25
Match the following.
List-I List-II
a. Level of significance 1. Sample mean is equal to population mean
b. Standard deviation of sampling distribution 2. Parameters
c. Numerical value that describes the characteristics of the population 3. Type I error
d. Normally distributed population 4. Standard error
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Answer & Solution
Answer: Option B
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26
The mean plus and minus 1.96 standard deviation includes . . . . . . . . percent of the items of normal distribution.
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Answer: Option B
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27
For more reliable survey results we should use
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Answer & Solution
Answer: Option A
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28
If an event cannot take place, probability will be
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Answer & Solution
Answer: Option C
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29
The curve of normal distribution is . . . . . . . . the horizontal axis.
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Answer & Solution
Answer: Option A
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30
Which two of the following statements are true?
(1) The sum of the deviations from mean (ignoring algebraic signs) is greater than the sum of the deviations from median (ignoring algebraic signs)
(2) Standard deviation is independent of change of origin and change of scale
(3) In a symmetrical distribution, mean deviation equals 4/5 of standard deviation
(4) In a symmetrical and bell shaped distribution, quartile deviation is 1/3 of standard deviation
Choose the correct answer from the options given below
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Answer & Solution
Answer: Option B
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