______ is a ______, which is used to describe a ______.

a. ; parameter; population

b. s2; statistic; sample

c. ?; parameter; sample

d. ?; statistic; population


b. s2; statistic; sample

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Swings and trampolines:

A. are ideal because they encourage vigorous physical activity B. pose a significant safety risk and should not be included on group setting play yards C. should only be purchased if constructed of non-toxic materials D. enhance the “fun” aspect of play yards

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Refer to Exhibit 5-3. There will be a significant negative correlation between students’ verbal ability and their performance in a problem-solving task

a. adequate hypothesis b. inadequate, not testable c. inadequate, no statement of relationship d. inadequate, not consistent with the existing body of knowledge

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In the unidirectional model of parent-child relations, the child is depicted as:

A. a learner B. not having influence on the adult's behavior C. lacking in social power D. all of the above are correct

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In human development, there is a "pruning" period involving a massive loss of neurons. This

loss occurs in: a. childhood. b. adolescence. c. middle age. d. old age.

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