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Math (Stats)
In order to predict yvalues using the equation of a regression line, what must be true about the correlation coefficient of the variables? A. The correlation between variables must be an xvalue of a point on the graph. B. The
asked by Ray on March 11, 2017 
Statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by John on November 16, 2012 
Statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by Jill on December 17, 2012 
Statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by John on November 18, 2012 
statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by joey on November 14, 2012 
statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by joey on November 15, 2012 
Statistics
Suppose the correlation between two variables is 0.57. If each of the yvalues is multiplied by 1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is 0.57 It slopes up to
asked by John on November 8, 2012 
math
I need a definition for this constant rate of change when graphing in mathematics and for Positive and Negative correlation and also what the pattern is in this a) 1000, 100, 10, 1 I'll give you a definition for positive and
asked by austin on January 10, 2007 
biostatistic
Is this statement true or false: when calculating correlation coefficient between two continous variables, the scale on which the variables are measured affect the value of the correlation coefficient.
asked by nono on December 11, 2012 
STAT
Calculate SP (the sum of products of deviations) for the following scores. Note: Both means are decimal values, so the computational formula works well. X Y 0 2 0 1 1 0 2 1 1 2 0 3 Assume a twotailed test with .05. (Note: The
asked by Tracy on March 3, 2013