What is the chief role of the National Assessment of Educational Progress (NAEP)?
A. To compare the academic performances of U.S. students with those of students in other nations
B. To promote more consistent curriculum targets in the 50 U.S. states
C. To monitor U.S. students' academic achievement over time
D. To satisfy the measurement requirements of any state whose officials wish to measure students' mastery of specific content standards
C
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What is the mode of the following set of scores: 5, 5, 5, 5, 5, 5?
a. 0 b. 1 c. 30 d. 5
How will you benefit from knowing what style of interview your target employer typically uses? ?
Remainders have an effect on all of the following EXCEPT:
a. Discarded leaving a smaller whole-number answer. b. Rounded to the nearest whole number for an approximate answer. c. Fractional part left over and not included in the whole-number answer. d. Force the answer to the next highest whole number.
Calculate the standard deviation.
A marketing researcher for a toothpaste company wants to know how often on average people brush their teeth per day. He obtains a sample of 25 adults. Their responses to his question are summarized in the following simple frequency distribution: X f 10 1 9 0 8 0 7 3 6 3 5 0 4 4 3 3 2 8 1 2 0 1