STATISTICAL TECHNIQUES AND TOOLS
REGRESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The slope of the LSRL for the points (1, 2), (3, 4) and (5, 6). What is the yintercept?
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-7.5
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-3
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1
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3
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Explanation:
Detailed explanation-1: -The slope of the least-squares regression line is always between –1 and 1.
Detailed explanation-2: -y-Intercept: The y-intercept of a line is the y-value at which the line crosses the y-axis. When speaking of least-squares regression lines, the y-intercept, b, is the estimated value of y when x=0 .
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