The least-squares regression model yˆ=−3.4+5.2x and correlation coefficient r=0.66 were calculated for a set of bivariate data with variables x and y. Which of the following is closest to the proportion of the variation in y that cannot be explained by the explanatory variable?

Ineed on this equation what is the real value of x in the equation [tex]log_2}24 - log_{2} 3 = log_{5}x[/tex] a. 3 b. 21 c. 72 d. 125 e. 243

Melissa is fearful of men and refuses to go on dates. her therapist suggests that she is fearful because she was sexually abused when she was young. the therapist's suggestion most clearly reflects a perspective.a.) humanistic b.) behavioralc.) biological d.) psychoanalytice.) sociocultural

The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167. you decide to test that probability by rolling th dice 12 times. what is the probability that exactly 2 of the rolls is a sum of 7?