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

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91.
Investigator in statistics is known as:

A. A person who checks the details of addresses of several respondents

B. A person who collects the information

C. A person who classifies the collected information

D. A person who fills the questionnaire

E. A person who checks the arithmetical accuracy of business transactions

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92.
Let x = $$\frac{{9 - U}}{3}$$ and y = V - 4 and the correlation coefficient between U and V is -0.93. Then the correlation coefficient between x and y will be

A. 0.093

B. -0.093

C. -0.93

D. Cannot be derived

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93.
Match the following from the given observations 15, 20, 25.

List-I List-II

a. Arithmetic mean 1. 30

b. Sum of deviations from their arithmetic mean 2. 20

c. Range 3. 10

A. a-1, b-2, c-3

B. a-2, b-1, c-3

C. a-1, b-3, c-2

D. a-3, b-2, c-1

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94.
The measure based on each value of series is

A. Range

B. Standard deviation

C. Quartile deviation

D. Inter-Quartile Range

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95.
Suppose the average weight of 9 persons is 50 kg. Average weight of the first 5 person is 45 kg, whereas average weight of the last 5 persons is 55 kg. then the weight of the 5^th member will be

A. 45.0 kg

B. 47.5 kg

C. 50.0 kg

D. 52.5 kg

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96.
In which of the following forecasting technique, data obtained from past experience is analysed?

A. Judgemental forecast

B. Time series forecast

C. Associative forecast

D. All of the above

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97.
Research methodology refers to the . . . . . . . . which are used to conduct an investigation.

A. methods

B. types

C. designs

D. All of the above

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98.
A relationship where the flow of the data points is best represented by a curve is called:

A. Linear relationship

B. Nonlinear relationship

C. Linear positive

D. Linear negative

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99.
The difference between sample statistic and its corresponding population parameter is:

A. Sampling error

B. Measurement error

C. Coverage error

D. Non-response error

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100.
In a series, the value of arithmetic mean and median are 15 and 14 respectively the value of mode will be

A. 42

B. 30

C. 14.5

D. 12

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1 2 3 4 5 6 7 8 9 10

List-I	List-II
a. Arithmetic mean	1. 30
b. Sum of deviations from their arithmetic mean	2. 20
c. Range	3. 10

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

91. Investigator in statistics is known as:

Answer & Solution

92. Let x = $$\frac{{9 - U}}{3}$$ and y = V - 4 and the correlation coefficient between U and V is -0.93. Then the correlation coefficient between x and y will be

Answer & Solution

93. Match the following from the given observations 15, 20, 25. List-I List-II a. Arithmetic mean 1. 30 b. Sum of deviations from their arithmetic mean 2. 20 c. Range 3. 10

Answer & Solution

94. The measure based on each value of series is

Answer & Solution

95. Suppose the average weight of 9 persons is 50 kg. Average weight of the first 5 person is 45 kg, whereas average weight of the last 5 persons is 55 kg. then the weight of the 5th member will be

Answer & Solution

96. In which of the following forecasting technique, data obtained from past experience is analysed?

Answer & Solution

97. Research methodology refers to the . . . . . . . . which are used to conduct an investigation.

Answer & Solution

98. A relationship where the flow of the data points is best represented by a curve is called:

Answer & Solution

99. The difference between sample statistic and its corresponding population parameter is:

Answer & Solution

100. In a series, the value of arithmetic mean and median are 15 and 14 respectively the value of mode will be

Answer & Solution

Read More Section(Business Statistics and Research Methods)

91.
Investigator in statistics is known as:

92.
Let x = $$\frac{{9 - U}}{3}$$ and y = V - 4 and the correlation coefficient between U and V is -0.93. Then the correlation coefficient between x and y will be

93.
Match the following from the given observations 15, 20, 25.

List-I List-II

a. Arithmetic mean 1. 30

b. Sum of deviations from their arithmetic mean 2. 20

c. Range 3. 10

94.
The measure based on each value of series is

95.
Suppose the average weight of 9 persons is 50 kg. Average weight of the first 5 person is 45 kg, whereas average weight of the last 5 persons is 55 kg. then the weight of the 5^th member will be

96.
In which of the following forecasting technique, data obtained from past experience is analysed?

97.
Research methodology refers to the . . . . . . . . which are used to conduct an investigation.

98.
A relationship where the flow of the data points is best represented by a curve is called:

99.
The difference between sample statistic and its corresponding population parameter is:

100.
In a series, the value of arithmetic mean and median are 15 and 14 respectively the value of mode will be