Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

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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-6 section-5

Each section contains 100 MCQs on Business Statistics and Research Methods .

Which of the following is true where data is highly positively skewed?

A) The median is the least representative average B) All averaging techniques will produce equally acceptable results C) The mean will tend to overstate the average D) The mode will tend to overstate the average

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Two regression lines coincide if

A) $$r = 0$$ B) $$r = \frac{1}{2}$$ C) $$r = - \frac{1}{2}$$ D) $$r = \pm 1$$

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The law of statistics, which says 'Moderately large number of items chosen at random from a large group possess the characteristics of the large group', is referred to as:

A) The Central Limit Theorem B) The Law of Statistical Regularity C) The Law of Inertia of Large Numbers D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Correlation coefficient by least square method is obtained by the following formula.

A) $$1 - \frac{{{S_y}}}{{{\sigma _y}}}$$ B) $$\sqrt {1 - \frac{{{S^2}y}}{{{\sigma ^2}y}}} $$ C) $$\sqrt {1 - \frac{{{\sigma ^2}y}}{{{S^2}y}}} $$ D) $$\frac{{{S^2}y}}{{{\sigma ^2}y}}$$

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Find the median from the following data.

Gross Profit (Percent of Sales)	Number of Companies
0-10	21
10-20	32
20-30	43
30-40	34
40-50	23

A) 23.40 B) 25.46 C) 40.40 D) 38.53

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

5 red balls, 5 green balls and 5 yellow balls in a bag. If one ball is drawn at random then probability of that ball will be red

A) $$\frac{1}{2}$$ B) $$\frac{1}{3}$$ C) $$\frac{1}{4}$$ D) $$\frac{1}{5}$$

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is the main benefit of snowball sampling?

A) Access deviant or hidden populations B) Theorise inductively in a qualitative study C) Overcome the problem of not having an accessible sampling frame D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What proportion of area of a normal curve is included between (i) σ (ii) 2σ (iii) 3σ distances from the mean?

A) 34.13%, 47.72%, 49.87% B) 60%, 70%, 90% C) 62.27%, 95.45%, 99.73% D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In a series, the difference of the two quartiles is 10, their sum is 25 and the median is 6.5, then the coefficient of skewness will be

A) 0.12 B) 1.2 C) 12 D) 2.5

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which two of the following measures of central tendency are NOT capable of algebraic treatment?
1. Geometric Mean
2. Median
3. Arithmetic Mean
4. Mode
5. Harmonic Mean
Choose the correct answer from the options given below:

A) 1 and 2 B) 4 and 5 C) 2 and 4 D) 3 and 5

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Business Statistics and Research Methods MCQ Questions and Solutions with Explanations | Commerce