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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-5 section-5

Each section contains 100 MCQs on Business Statistics and Research Methods .
41
The weight of 50 students in pounds are given below
82 95 120 174 179 176 159 91 85 175
88 160 97 133 159 176 151 115 105 172
170 128 112 101 123 117 93 117 99 90
113 119 129 134 178 105 147 107 155 157
98 117 95 135 175 97 160 168 144 175
If the data are arranged in the form of frequency distribution with class interval as 81-100, 101-120, 121-140, 141-160, 161-180, then the frequencies for these five classes will be
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Answer: Option C
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42
Which of the following mean is most affected by extreme values?
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Answer: Option B
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43
If co-efficient of correlation is +0.9, then it shows
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Answer: Option D
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44
If a boy cycles 8 km at the speed of 8 km per hour, and walks another 8 km at the speed of 2 km per hour. His average speed per hour is
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Answer: Option C
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45
Which of the following statement is the correct?
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Answer: Option B
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46
The modal class is a class with . . . . . . . . frequency.
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Answer: Option A
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47
When β2 < 3 the distribution is
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Answer: Option B
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48
Which of the following formulae is/are correct as per the relationship defined by Karl Person?
1. Mode = Mean - 3 [Mean - Median]
2. Mode = 3 Median - 2 Mean
3. Median = Mode + 2/3 [Mean - Mode]
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Answer: Option E
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49
The error present in both the complete enumeration survey and the sample survey . . . . . . . .
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Answer: Option B
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50
Which of the following is true about response rates?
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Answer: Option D
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