Business Statistics and Research Methods MCQ Questions and Solutions with Explanations

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

1.
A shopkeeper wants to keep a stock of shoes. The most appropriate mean for that would be

A. Arithmetic mean

B. Median

C. Mode

D. Geometric mean

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2.
Mean deviation computed from a set of data is always:

A. Negative

B. Equal to standard deviation

C. More than standard deviation

D. Less than standard deviation

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3.
The arrangement of data in rows and columns is called:

A. Frequency distribution

B. Cumulative frequency distribution

C. Tabulation

D. Classification

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4.
Which of the following is an incomplete experimental research design?

A. Before and after with control group design

B. Factorial design

C. One group before and after design

D. Latin Square design

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5.
Standard deviation of a binomial distribution is equal to

A. σp

B. σ²p

C. 1 - p

D. None of these

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6.
The coefficient of correlation between two series x and y is found to be 0.80. if all the vallues of x and y are reduced by 50%, the correlation coefficient will be

A. 0.80

B. 0.40

C. 0.60

D. 0.20

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7.
500 students were selected at random out of which 190 were married. 90 passed out of married students and 110 failed out of unmarried students, the number of passed unmarried students would be

A. 310

B. 100

C. 200

D. 300

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8.
Assertion (A) The value, of coefficient of correlation shall always lie between -1 < r < +1.
Reason (R) When the value or r = +1 the correlation between the variable is perfect and positive and when r = -1, correlation is said to be perfect and negative.

A. Both (A) and (R) are true

B. (A) is true, but (R) is false

C. (R) is true, but (A) is false

D. Both (A) and (R) are false

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9.
In a Binomial Distribution, if p, q and n are probability of success, failure and number of trials respectively then given by:

A. np

B. npq

C. np²q

D. npq²

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10.
Statistical forecasting is done:

A. Without any recognition

B. On the assumption that other things remain the same

C. On the belief that what happened in the past will happen in the future

D. None of the above

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

1. A shopkeeper wants to keep a stock of shoes. The most appropriate mean for that would be

Answer & Solution

2. Mean deviation computed from a set of data is always:

Answer & Solution

3. The arrangement of data in rows and columns is called:

Answer & Solution

4. Which of the following is an incomplete experimental research design?

Answer & Solution

5. Standard deviation of a binomial distribution is equal to

Answer & Solution

6. The coefficient of correlation between two series x and y is found to be 0.80. if all the vallues of x and y are reduced by 50%, the correlation coefficient will be

Answer & Solution

7. 500 students were selected at random out of which 190 were married. 90 passed out of married students and 110 failed out of unmarried students, the number of passed unmarried students would be

Answer & Solution

8. Assertion (A) The value, of coefficient of correlation shall always lie between -1 < r < +1. Reason (R) When the value or r = +1 the correlation between the variable is perfect and positive and when r = -1, correlation is said to be perfect and negative.

Answer & Solution

9. In a Binomial Distribution, if p, q and n are probability of success, failure and number of trials respectively then given by:

Answer & Solution

10. Statistical forecasting is done:

Answer & Solution

Read More Section(Business Statistics and Research Methods)

1.
A shopkeeper wants to keep a stock of shoes. The most appropriate mean for that would be

2.
Mean deviation computed from a set of data is always:

3.
The arrangement of data in rows and columns is called:

4.
Which of the following is an incomplete experimental research design?

5.
Standard deviation of a binomial distribution is equal to

6.
The coefficient of correlation between two series x and y is found to be 0.80. if all the vallues of x and y are reduced by 50%, the correlation coefficient will be

7.
500 students were selected at random out of which 190 were married. 90 passed out of married students and 110 failed out of unmarried students, the number of passed unmarried students would be

8.
Assertion (A) The value, of coefficient of correlation shall always lie between -1 < r < +1.
Reason (R) When the value or r = +1 the correlation between the variable is perfect and positive and when r = -1, correlation is said to be perfect and negative.

9.
In a Binomial Distribution, if p, q and n are probability of success, failure and number of trials respectively then given by:

10.
Statistical forecasting is done: