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In the equation of trend line yt = a + bx, a and b represent: |
the mean of y and the slope of trend line respectively the slope of trend line and the mean of y respectively the mean of xy and the slope of tend line respectively the slope of trend line and the mean of x respectively |
the mean of y and the slope of trend line respectively |
The correct answer is Option (1) - the mean of y and the slope of trend line respectively $y_t = a + bx$ $a \;\Rightarrow\; \text{intercept, which represents mean of } y \text{ (when } x=0 \text{ in coded data)}$ $b \;\Rightarrow\; \text{slope of the trend line}$ The correct answer is: the mean of y and the slope of trend line respectively. |
