Which of the following statements about the newborn baby's appearance is true?
A) Girls tend to be slightly longer and heavier than boys.
B) Their round faces, chubby cheeks, and big eyes make adults feel like picking them up.
C) The trunk is large in comparison to the head, and the legs are long and straight.
D) On average, they are 18 inches long and 5½ pounds in weight.
B
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Sixteen-year-old Amber has just completed a drivers' education course
She often comments to friends that at first driving required her undivided attention, but with a little practice she often finds that she has driven home without being aware of stopping for traffic lights or stop signs. According to the information-processing approach, driving has become ____________ for Amber. a. automatic c. time consuming b. boring d. trivial
When carrying out a t test for independent means
A) the medians of the two populations are assumed to be equal. B) the null hypothesis is rejected if the computed t score is more extreme than the cutoff t score. C) only the .01 significance level should be used because of the greater power compared to a t test for dependent means. D) only the .10 significance level should be used because of the assumption that the variances of the two distributions should be equal.