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Click here to check out ALL problems on Probability-and-statisticsInquiry 177113: Which of the following statements regarding the coreliable of correlation is true? A) It varieties from -1.0 to +1.0 inclusive B) It procedures the strength of the relationship in between 2 variables C) A value of 0.00 shows 2 variables are not related D) All of the over E) None of the aboveWhich worth of r indicates the strongest correlation? A) -0.30 B) -0.50 C) +0.48 (would certainly C be correct?) D) 0.00 E) Namong the aboveWhat does a coreliable of correlation of 0.70 mean? A) Almany no correlation bereason 0.70 is close to 1.0 B) 70% of the variation in one variable is explained by the various other C) Coefficient of determination is 0.49 D) Coreliable of nondetermination is 0.30 E) None of the aboveWhat is the array of worths for a coeffective of correlation? A) 0 to +1.0 B) -3 to +3 inclusive C) -1.0 to +1.0 inclusive D) Endless range E) None of the aboveIf the correlation coreliable between two variables equates to zero, what deserve to be sassist of the variables X and Y? A) Not associated B) Dependent on each various other C) Highly correlated D) All of the above are correct E) None of the above is correctWhat deserve to we say if the coeffective of determicountry is 0.94? A) Strength of partnership is 0.94 B) Direction of relationship is positive C) 94% of complete variation in one variable is defined by variation in the other variable D) All of the over are correct E) Namong the above is correctWhat does the coeffective of determination equal if r = 0.89? A) 0.94 B) 0.89 C) 0.79 D) 0.06 E) None of the aboveWhat does it mean if r = -1.00? A) Dependent variable have the right to be perfectly predicted by the independent variable. B) All of the variation in the dependent variable can be accounted for by the independent variable. C) High worths of one variable are connected with low worths of the various other variable. D) Coefficient of determicountry equals one. E) All of the above are correctA hypothesis test is performed at the .05 level of significance to test whether or not the populace correlation is zero. If the sample consists of 27 observations and also the correlation coreliable is 0.60, then what is the computed worth of the test statistic? A) 4.69 C) 4.75 B) 3.75 D) 18.75 E) Namong the aboveWhat is the variety of values for the coefficient of determination? A) -1 to +1 inclusive B) -3 to +3 inclusive C) -1 to 0 inclusive D) 0 to +1 inclusive E) Namong the aboveIn the regression equation, what does the letter "a" represent? A) Y intercept B) Slope of the line C) Any value of the independent variable that is selected D) Namong the over Answer by stanbon(75887)
(Sexactly how Source): You have the right to put this solution on YOUR website! Which of the adhering to statements about the coeffective of correlation is true?A) It arrays from -1.0 to +1.0 inclusiveB) It procedures the strength of the connection in between two variablesC) A value of 0.00 suggests two variables are not relatedD) All of the aboveE) Namong the above Ans: D---------------------------------------------Which worth of r suggests the strongest correlation?A) -0.30B) -0.50C) +0.48 (would C be correct?)D) 0.00E) Namong the over Ans: BThe negative sign does not intend "no relation", it is as strong a measureof correlation as +0.50----------------------------------What does a coreliable of correlation of 0.70 mean?A) Althe majority of no correlation bereason 0.70 is cshed to 1.0B) 70% of the variation in one variable is defined by the otherC) Coefficient of determicountry is 0.49D) Coeffective of nondetermicountry is 0.30E) Namong the over Ans: E---------------------------------------What is the array of worths for a coefficient of correlation?A) 0 to +1.0B) -3 to +3 inclusiveC) -1.0 to +1.0 inclusiveD) Endless rangeE) Namong the over Ans: C------------------------------------------If the correlation coeffective in between 2 variables amounts to zero, what deserve to be sassist of the variables X and Y?A) Not correlatedB) Dependent on each otherC) Highly correlatedD) All of the above are correctE) None of the above is correctAns: E------------------------------------------ What deserve to we say if the coreliable of determicountry is 0.94?A) Strength of connection is 0.94B) Direction of connection is positiveC) 94% of complete variation in one variable is explained by variation in the other variableD) All of the above are correctE) None of the above is correctAns: D-------------------------------------------What does the coreliable of determicountry equal if r = 0.89?A) 0.94B) 0.89C) 0.79D) 0.06E) Namong the over A: B-------------------------------------What does it intend if r = -1.00?A) Dependent variable deserve to be perfectly predicted by the independent variable.B) All of the variation in the dependent variable have the right to be accounted for by the independent variable.C) High worths of one variable are associated through low worths of the other variable.D) Coeffective of determination equals one.E) All of the above are correct Ans: B--------------------------------------A hypothesis test is performed at the .05 level of significance to test whether or not the population correlation is zero. If the sample is composed of 27 observations and the correlation coreliable is 0.60, then what is the computed worth of the test statistic?A) 4.69 C) 4.75B) 3.75 D) 18.75E) Namong the above Ans: B is the closest to my chart reading.-----------------------------------------------What is the selection of values for the coeffective of determination?A) -1 to +1 inclusiveB) -3 to +3 inclusiveC) -1 to 0 inclusiveD) 0 to +1 inclusiveE) Namong the above Ans: A---------------------------------------In the regression equation, what does the letter "a" represent?A) Y interceptB) Slope of the lineC) Any worth of the independent variable that is selectedD) None of the aboveAns: That counts on your textbook.

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"a" might be the slope or the intercept.-------------------------------------------Cheers,Stan H.