Using the regression formula with a slope = 2,000 and an intercept = 15,000, what would the predicted income be for someone who has 35 years of education?
a. $40,000
b. $42,000
c. $45,000
d. $85,000
Ans: d
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Refer to Exhibit 3-5. What is the independent variable?
a. Children b. Reading comprehension scores c. Reciprocal teaching method d. Sixth graders e. Two of the above
Below is the probability distribution for random variable x. What is the standard deviation of this probability distribution?
x 1 2 3 p(x) 0.24 0.52 0.24 A. 0.48 B. 0.69 C. 0.24 D. 2.00
In older infants, ______.
a. their ability to habituate to familiar things takes longer b. sustained attention increases when they are shown more complex stimuli c. selective attention increases, but sustained attention decreases d. they are more interested in looking at familiar things than at novel things
Children love to paint on easels because:
A) There are more paints to use B) The pictures are big C) It is easier than flat painting D) They can do it by themselves