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

81.
A simple random sample is one in which:

A. from a random starting point, every nth unit from the sampling frame is selected

B. a non-probability strategy is used, making the results difficult to generalize

C. the researcher has a certain quota of respondents to fillfor various social groups

D. every unit of the population has an equal chance of being selected

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82.
The prabability that the throw of two dice yields a total of 5 or 8 is . . . . . . . .

A. $$\frac{1}{4}$$

B. $$\frac{1}{5}$$

C. $$\frac{2}{5}$$

D. None of these

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83.
. . . . . . . . is drawn by joining the mid-points of the upper widths of adjacent rectangles of the histogram, with straight lines.

A. A frequency polygon

B. Histogram

C. Ogive curve

D. None of these

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84.
When coefficient of skewness is zero the distribution is

A. J-shaped

B. U-shaped

C. Symmetrical

D. L-shaped

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85.
Z-test is better used when sample size is

A. less than 30

B. equal to 30

C. more than 30

D. infinitely large

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86.
For testing of independence of two attributes, which of the following tests is used?

A. Z Test

B. Chi-square Test

C. F Test

D. T Test

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87.
In which sampling the entire population is segmented into mutually exclusive groups?

A. Convenience sampling

B. Quota sampling

C. Judgment sampling

D. Snowball sampling

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88.
Sampling method is prove to be a better method over census under which of the following condition?
1. When sample size is infinite.
2. When each unit of population is heterogenous.
3. When approximated results are required.

A. Both 1 and 2

B. Both 2 and 3

C. Both 1 and 3

D. 1, 2 and 3

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89.
Important factors causing seasonal variations are

A. Increasing in population

B. Change in fashion

C. Weather and social customs

D. Technology improvement

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90.
A prior probability is an . . . . . . . . probability value.

A. eventual

B. initial

C. final

D. None of these

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

81. A simple random sample is one in which:

Answer & Solution

82. The prabability that the throw of two dice yields a total of 5 or 8 is . . . . . . . .

Answer & Solution

83. . . . . . . . . is drawn by joining the mid-points of the upper widths of adjacent rectangles of the histogram, with straight lines.

Answer & Solution

84. When coefficient of skewness is zero the distribution is

Answer & Solution

85. Z-test is better used when sample size is

Answer & Solution

86. For testing of independence of two attributes, which of the following tests is used?

Answer & Solution

87. In which sampling the entire population is segmented into mutually exclusive groups?

Answer & Solution

88. Sampling method is prove to be a better method over census under which of the following condition? 1. When sample size is infinite. 2. When each unit of population is heterogenous. 3. When approximated results are required.

Answer & Solution

89. Important factors causing seasonal variations are

Answer & Solution

90. A prior probability is an . . . . . . . . probability value.

Answer & Solution

Read More Section(Business Statistics and Research Methods)

81.
A simple random sample is one in which:

82.
The prabability that the throw of two dice yields a total of 5 or 8 is . . . . . . . .

83.
. . . . . . . . is drawn by joining the mid-points of the upper widths of adjacent rectangles of the histogram, with straight lines.

84.
When coefficient of skewness is zero the distribution is

85.
Z-test is better used when sample size is

86.
For testing of independence of two attributes, which of the following tests is used?

87.
In which sampling the entire population is segmented into mutually exclusive groups?

88.
Sampling method is prove to be a better method over census under which of the following condition?
1. When sample size is infinite.
2. When each unit of population is heterogenous.
3. When approximated results are required.

89.
Important factors causing seasonal variations are

90.
A prior probability is an . . . . . . . . probability value.