Question 11 MarkWrite the value of error for the points which are on the regression line obtained by the method of least square?Answerself-studyView full question & answer→
Question 21 MarkHow will be the error if the points are above the regression line obtained by the method of least square ?Answerself-studyView full question & answer→
Question 31 MarkIf regression line $\hat{y}=95-6.5 x$ shows the relation between $X$ and $Y$, state the sign of correlation coefficient.Answerself-studyView full question & answer→
Question 41 MarkFind $\hat{y}$ for $X=60$ if regression line is $\hat{y}=45.32+2.85 x$.Answer$\hat{y}=216.32(23)-($ Negative $)$View full question & answer→
Question 51 MarkIf $r=0.75, S_x=6$ and $S_y=14$ then what will be the value of $b_{y x}$ ?Answer$b_{y x}=1.75$View full question & answer→
Question 61 MarkIf $\hat{y}=3 x$, interpret regression coefficient.Answerself-studyView full question & answer→
Question 71 MarkState the effects of change of origin and scale on the value of regression coefficient.Answerself-studyView full question & answer→
Question 91 MarkIn the fitting of regression lines, when is the given observed value $y$ same as the estimated value $\hat{y}$ of the dependent variable $Y$ ?Answerself-studyView full question & answer→
Question 101 MarkInterpret the value of $b$ when the value of regression coefficient is negative.Answerself-studyView full question & answer→
Question 111 MarkInterpret the value of $b$, if $b>0$ with reference to regression.Answerself-studyView full question & answer→
Question 121 MarkWhat is the sign of regression coefficient, if the sign of correlation coefficient is negative ?Answerself-studyView full question & answer→
Question 131 MarkBy which other name is regression known as ?Answerself-studyView full question & answer→
Question 151 MarkWhen is the negative value of error obtained?Answerself-studyView full question & answer→
Question 161 MarkWhen is the positive value of error obtained?Answerself-studyView full question & answer→
Question 171 MarkWhich method is useful to obtain the best fitted regression line?Answerself-studyView full question & answer→
Question 181 MarkWhy is the method of scatter diagram subjective?Answerself-studyView full question & answer→
Question 191 MarkWrite limitations of scatter diagram method with reference to regression.Answerself-studyView full question & answer→
Question 201 MarkDefine scatter diagram with reference to regression.Answerself-studyView full question & answer→
Question 211 MarkWrite the names of methods to fit the regression line.Answerself-studyView full question & answer→