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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-1 section-8

Each section contains 100 MCQs on Business Statistics and Research Methods .
1
Sample results in order to provide reliable and accurate results must conform to which of the following requirements?
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Answer: Option D
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2
The mean age group of 100 persons was found to be 30.2. Later, it was discovered that age 57 was misread as 27. Find the corrected mean.
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Answer: Option A
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3
The process of thoroughly checking the collected data to ensure optimal quality levelis referred to as:
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Answer: Option A
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4
Least Square Method of fitting a line (the line of best fit or the regression line) through the scatter diagram is a method, which . . . . . . . . the sum of the squared vertical deviations from the fitted line.
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Answer: Option B
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5
Non-sampling error occurat the time of
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Answer: Option D
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6
The word 'statistics' is used as
OR
How the term statistics used?
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Answer: Option C
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7
Husband and wife apply for two vacant spots in a company. If the probability of wife getting selected and husband getting selected are 3/7 and 2/3 respectively, what is the probability that neither of them will be selected?
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Answer: Option C
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8
Assertion (A) Normal distribution curve is a bell shaped curve where mean, median and mode are equal to each other.
Reason (R) As the same size increases, all small-sample tests tends to merge with normal distribution.
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Answer: Option A
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9
Index number are expressed in
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Answer: Option B
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10
In the formula $$R = 1 - \frac{{6\sum {D^2}}}{{N\left( {{N^2} - 1} \right)}},\,'D'$$     stands for·
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Answer: Option B
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