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

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41.
A normal distribution has a mean of 55 and a variance of 14.44. The probability of a score of 59 or more is approximately

A. 0.15

B. 0.35

C. 0.17

D. 0.85

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42.
Assignment of numerals to the objects to represent their attributes is known as:

A. Nominal data

B. Ordinal data

C. Interval data

D. Ratio data

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43.
The transformation of raw data into a form that will make them easy to understand and interpret, rearranging and manipulating data to generate information is called:

A. Descriptive research

B. Descriptive analysis

C. Causal research

D. Exploratory research

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44.
The larger the standard error of estimate the . . . . . . . . happens to be the dispersion of given observations around the regression line.

A. lower

B. greater

C. Both A and B

D. None of the above

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45.
If with a rise of 10% in prices the wages are increased by 20%, the real wage increase is by

A. 10%

B. more than 10%

C. less than 10%

D. 20%

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46.
To show the trend for a variable, which one of the presentation method is used?

A. Histogram

B. Frequency polygon

C. Line graph

D. Scatter graph

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47.
First two moments about the value 2 of a variable are 1 and 16. The variance will be:

A. 13

B. 15

C. 16

D. Difficult to tell

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48.
The standard deviation of sampling distribution is called.

A. Standard error

B. Probable error

C. Both A and B

D. None of these

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49.
Tools for collecting primary data is/are

A. Interview method

B. Observation method

C. Questionnaire method

D. All are correct

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50.
The standard deviation of the sampling distribution of the mean is called:

A. standard error of the mean

B. standard error of the mode

C. standard error of estimate

D. all of the above

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

41. A normal distribution has a mean of 55 and a variance of 14.44. The probability of a score of 59 or more is approximately

Answer & Solution

42. Assignment of numerals to the objects to represent their attributes is known as:

Answer & Solution

43. The transformation of raw data into a form that will make them easy to understand and interpret, rearranging and manipulating data to generate information is called:

Answer & Solution

44. The larger the standard error of estimate the . . . . . . . . happens to be the dispersion of given observations around the regression line.

Answer & Solution

45. If with a rise of 10% in prices the wages are increased by 20%, the real wage increase is by

Answer & Solution

46. To show the trend for a variable, which one of the presentation method is used?

Answer & Solution

47. First two moments about the value 2 of a variable are 1 and 16. The variance will be:

Answer & Solution

48. The standard deviation of sampling distribution is called.

Answer & Solution

49. Tools for collecting primary data is/are

Answer & Solution

50. The standard deviation of the sampling distribution of the mean is called:

Answer & Solution

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41.
A normal distribution has a mean of 55 and a variance of 14.44. The probability of a score of 59 or more is approximately

42.
Assignment of numerals to the objects to represent their attributes is known as:

43.
The transformation of raw data into a form that will make them easy to understand and interpret, rearranging and manipulating data to generate information is called:

44.
The larger the standard error of estimate the . . . . . . . . happens to be the dispersion of given observations around the regression line.

45.
If with a rise of 10% in prices the wages are increased by 20%, the real wage increase is by

46.
To show the trend for a variable, which one of the presentation method is used?

47.
First two moments about the value 2 of a variable are 1 and 16. The variance will be:

48.
The standard deviation of sampling distribution is called.

49.
Tools for collecting primary data is/are

50.
The standard deviation of the sampling distribution of the mean is called: