A sample consists of four observations, scored as 1, 3, 5, 7. What is the standard deviation?

A. 2.55
B. 2.58
C. 3.02
D. 3.99


Answer: B

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Even if outdoor play is highly valued by a culture, it is often in the form of _________________________________________

Fill in the blank(s) with correct word

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In social cognitive theorists' conceptualization of reciprocal causation, which one of the following is the best example of a person factor?

a. Alma expects to do well in science this year. b. Bree got an A in science last year. c. Curt's friend Doug will be in his science class this year. d. Doug has already read the first two chapters of his science textbook.

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When decoding words during reading and spelling words during writing, children draw on the ______ sounds in the sound system of English

a. 44 b. 26 c. 28 d. 54

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When introducing innovation and change through revision of a school's communication plan, it is important for school administrators to know the audience that such change will directly impact. Which tends to be the first ‘audience' that is likely to be effected by a change in a school communication plan?

a. Business owners b. Parents c. Students d. Teachers

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