A developmental psychologist obtained attachment scores (x) for each member of the 14 individuals in a random sample of psychology students, and then assessed each student’s level of anxiety using the Beck Anxiety Inventory (y). The mean and standard deviation of x were mx = 21 and sx = 6, respectively, and the estimated standard error of estimate was sest = 2.29. If the regression equation is 1.64 +0.16(x), what is the estimated standard error of ynext when x = 27?
a. 0.88
b. 1.04
c. 2.38
d. 2.45
Ans: D
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