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Correlation and Regression MCQs for Competitive Exams

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Correlation and Regression MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

227 MCQs Page 6

Topic Notes: Correlation and Regression

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Correlation and Regression 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
If the unexplained variation is 456,870 and the total variation is 955,000, what is the coefficient of determination?
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52
Given two regression coefficients of -0.8 and -0.2, what is the value of the coefficient of correlation?
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53
In the Spearman's rank correlation formula, what does the variable 'D' represent?
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54
The coefficient of correlation is independent of which changes in the data?
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55
What is the possible range of values for a correlation coefficient?
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56
Under what conditions does the correlation coefficient yield a positive sign?
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57
Which one of the following is a formula of Karl Pearson's coefficient correlation?
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58
At which specific point do the two regression lines (Y on X and X on Y) intersect?
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59
In regression analysis, if the independent variable is measured in kilograms, what are the unit requirements for the dependent variable?
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60
Match the following correlation types with their respective definitions: a. Positive correlation, b. Multiple correlation, c. Linear correlation, d. Partial correlation.
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