Given the following information about a test, compute the KR-21 . The test has 50 items, the median is 36, the mode is 34, the mean is 35, and the standard deviation is 4
a. .30
b. .35
c. .40
d. .45
b
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The focal point of parent-professionals’ attention is on
a. the child only b. the child’s parents only c. the child’s family d. allowing professionals to make decisions
A student's true score on a test is not related to the specific questions appearing on the test
a. True b. False
Diversity in the classroom means that significant differences exist in any classroom population. These differences may be in
A. skin color, native language, ethnic heritage, gender, socioeconomic family status, family structure, cultural group and life experiences. B. age, maturity level, gender, size and family structure. C. independent reading level, hand eye coordination, and fine motor skills D. None of the above.
What percentage of z-scores in the standard normal distribution are greater than z = –1.03?
a. 15.15% b. 34.85% c. 65.15% d. 84.85%