The sum of the z-scores squared in any distribution is equal to
a. zero. c. cN.
b. 1.00 d. N2.
C
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A student in grade 6 earned a raw score of 50 on an achievement test. Which of the following interpretations is most justified?
A. The grade equivalent score is 6.0. B. The percentage-correct score is 50. C. The percentile score is 50. D. The score is interpreted without more information.
What is the variance?
a. The difference between the lowest and highest score b. The difference between a score and the mean c. The average squared distance from the mean d. A measure of central tendency
Which of the following is an example of phonemic awareness?
a. saying "bear" when shown a picture of a bear b. saying the separate sounds in cat c. noting that d and p are different letters d. copying letters from the board
The future of school population in this century will be defined by the lack of ____________________ and ____________________ groups.?
Fill in the blank(s) with the appropriate word(s).