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Measures of Dispersion MCQs for Competitive Exams

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Measures of Dispersion MCQs for Competitive Exams

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113 MCQs Page 6

Topic Notes: Measures of Dispersion

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Measures of Dispersion MCQs in Commerce are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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51
Calculate the sum of squared deviations from the mean for the observations 3, 4, 5, 6, and 7.
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52
Which measure of dispersion is considered most appropriate for datasets containing open-ended classes?
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53
Given N = 11, ΣX = 60, and ΣX² = 1,000, what is the calculated standard deviation?
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54
The standard deviation is defined as the positive square root of the variance. What is the term for this statistical measure?
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55
Assess the following assertion and reason: (A) Range is ineffective for managerial comparison when observations are in different units. (R) A relative measure, known as the coefficient of range, is required for such comparisons.
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56
Group 1 has a standard deviation of 12 and a mean of 15. Group 2 has a standard deviation of 18 and a mean of 25. Which group is more stable?
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57
Which statistical measure is widely considered the most ideal and reliable measure of dispersion?
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58
Which of the following statistical terms is not classified as a measure of dispersion?
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59
Given a standard deviation of 4, a sample size of 10, and a sum of terms equal to 160, calculate the coefficient of variation (often referred to as the coefficient of deviation).
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60
Which of the following statements regarding statistical measures is correct?
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