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

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41.
The difference between upper and lower limit of a class is called

A. Class frequency

B. Class interval expansion

C. Class limit

D. Mid-value

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42.
Which measure of central tendency will be suitable for knowing the average size of readymade garments?

A. Arithmetic mean

B. Median

C. Mode

D. Geometric mean

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43.
Mean Deviation is which part of Standard Deviation?

A. $$\frac{3}{4}$$

B. $$\frac{4}{5}$$

C. $$\frac{5}{4}$$

D. None of the above

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44.
The index of developments of humans is-

A. CPI

B. HRI

C. HDI

D. WPI

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45.
When the data are classified only on the basis of descriptive characteristics which cannot be quantified is known as:

A. Geographical classification

B. Chronological classification

C. Qualitative classification

D. Quantitative classification

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46.
If the geometric mean is 15 and the harmonic mean is 9 of the two numbers then the value of arithmetic mean will be

A. 10

B. 25

C. 20

D. 30

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47.
While testing the significance of the difference of two sample means in case of small samples, the degrees of freedom is calculated by:

A. v = n₁ + n₂ - 2

B. v = n₁ + n₂ - 1

C. v = n₁ - n₂ - 2

D. v = n₁ - n₂ + 2

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48.
If 'F' is quite large the null hypothesis of equal population means will have to be

A. rejected

B. accepted

C. Neither A nor B

D. Both A and B

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49.
In regression analysis, the variable that is being predicted is the:

A. response, or dependent, variable

B. independent variable

C. intervening variable

D. is usually x

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50.
Which one of the following is not included in the category of non-probability sampling?

A. Snow ball sampling

B. Convenience sampling

C. Simple random sampling

D. Purposive sampling

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

41. The difference between upper and lower limit of a class is called

Answer & Solution

42. Which measure of central tendency will be suitable for knowing the average size of readymade garments?

Answer & Solution

43. Mean Deviation is which part of Standard Deviation?

Answer & Solution

44. The index of developments of humans is-

Answer & Solution

45. When the data are classified only on the basis of descriptive characteristics which cannot be quantified is known as:

Answer & Solution

46. If the geometric mean is 15 and the harmonic mean is 9 of the two numbers then the value of arithmetic mean will be

Answer & Solution

47. While testing the significance of the difference of two sample means in case of small samples, the degrees of freedom is calculated by:

Answer & Solution

48. If 'F' is quite large the null hypothesis of equal population means will have to be

Answer & Solution

49. In regression analysis, the variable that is being predicted is the:

Answer & Solution

50. Which one of the following is not included in the category of non-probability sampling?

Answer & Solution

Read More Section(Business Statistics and Research Methods)

41.
The difference between upper and lower limit of a class is called

42.
Which measure of central tendency will be suitable for knowing the average size of readymade garments?

43.
Mean Deviation is which part of Standard Deviation?

44.
The index of developments of humans is-

45.
When the data are classified only on the basis of descriptive characteristics which cannot be quantified is known as:

46.
If the geometric mean is 15 and the harmonic mean is 9 of the two numbers then the value of arithmetic mean will be

47.
While testing the significance of the difference of two sample means in case of small samples, the degrees of freedom is calculated by:

48.
If 'F' is quite large the null hypothesis of equal population means will have to be

49.
In regression analysis, the variable that is being predicted is the:

50.
Which one of the following is not included in the category of non-probability sampling?