11. A \"good\" measure of dispersion should. A. use all scores in a distribution
ID: 3128883 • Letter: 1
Question
11. A "good" measure of dispersion should.
A. use all scores in a distribution
B. describe the average or typical deviation of the score
C. be wasy to calculate and interpert
D. all of the above
12.To estimate probabilties set up a fraction with the number of ____ in the numerator and the number of___ in the demonenator
A.success, failures
B. possible outcomes, successes
C. failures, successes,
D. successes, possible outcomes
13. The range s found by subtracting the lowest frin the highest score in distribution. Therefor, R could NOT be found for
A. nominal level variables
B. intervariable level variables,
C, Ordinal level variables
D. continuous Variables
15. A sample selected according to the princple of EPSEM is extremely likely to be
A.large
B. biased
C. representative
D. inaccurate
18. Unlikes a empircal distribution the theroretical normal curve is
a. positively skewed
b. negatively skewed
c. bimodal
d. perfectly symmetrical
The area between the mean and a Z score of +1.50 is 43.2%. This score is higher than ____ of the scores
A.43.32%
B. 51.50%
C. 57.68%
D.93.32%
Explanation / Answer
11.
OPTION D. all of the above
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12.
By definition,
OPTION D. successes, possible outcomes [answer]
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13.
OPTION A. nominal level variables [ANSWER]
It does not make sense to subtract nominal variables.
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