n=6 pairs of x and y values has a perason correlation of r=+0.60 and SSy=100. if you are suing
these data as the basis for a regression equation
A) on average how much error would you expect if the regression equation were used to predict
the y-score or a specific individual? find the standard error of the estimate
B) how much error would expect if the samele size were n=102 instead of n=6
C) how much error would you expect if the sample correlation were r= +0.80
please show step by step work
Solution
Standard error of estimate = sqrt((1-r^2)SSy/n)
a) Sy.x = 3.27
b) if n = 102, Sy.x = 0.80
c) if r = 0.80, Sy.x = 2.45 (where n = 6)
if r = 0.80, Sy.x = 0.60 (where n = 102)