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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-9 section-8

Each section contains 100 MCQs on Business Statistics and Research Methods .
81
The geometric mean of 1, 2 and 4 is
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Answer: Option B
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82
The harmonic mean of the following data 6, 10, 15 and 20 will be
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Answer: Option C
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83
If a chi-square test is to be performed on a contingency table with 3 rows and 4 columns, how many degrees of freedom should be used?
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Answer: Option A
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84
Karl Pearson's co-efficient of correlation between two variables is:
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Answer: Option B
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85
The values of mean, median and mode are the same
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Answer: Option C
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86
Under which theoretical distribution, the quartile deviation is 2/3 of Standard Deviation?
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Answer: Option B
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87
. . . . . . . . is known as the 'ideal' formula for constructing index numbers.
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Answer: Option A
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88
Which is used when sample size is small?
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Answer: Option A
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89
The arithmetic mean of 9, 17, 91 is
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Answer: Option D
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90
In . . . . . . . ., a hypothesis should explain all sufficient facts needed to understand the problem.
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Answer: Option A
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