A set of X and Y scores has a regression equation with a slope of b = 4. If the mean for the X values is MX = 2 and the mean for the Y values is MY = 6, what is the Y-intercept value for the regression equation?
A) ?-2
B) ?-22
C) ?4
D) ?-4
A
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According to Erikson, if a nine-year-old elementary school student fails to succeed at learning new skills and knowledge, the result may be the development of a sense of __________.
A. stagnation B. inferiority C. shame and doubt D. role confusion
The positive emotion that results from the knowledge that one has benefited from the costly, intentional, voluntary action of another is known as ____
a. gratitude b. joy c. well-being d. reciprocity
When Yanping entered college, she was unsure about which major to choose. She took a vocational interest test that indicated that she was highly analytic and should choose a math-based major. This spring she will graduate with honors with a mechanical engineering degree. The test Yanping took appears to have good ____validity.?
a. content b. ?split-half c. ?predictive d. ?concurrent
The germinal stage of pregnancy refers to the first
A) trimester. B) two weeks after conception. C) six weeks after conception. D) two months after conception.