cj 301 asm midterm page 2 - (2 point 2 2 Computa²on oF a...

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Please answer the following questions: 1. You are interested in the effects of release with aftercare for a small number of drug offenders. The number of additional months without drug use for a sample of 6 offenders is recorded. The data on the six (6) subjects are as follows: 2 2 2 6 8 8 a) What are the median position and the median value ? (3 points) The median value is 4 and the position is between 3 and 4 so 3.5 b) What is the mean? ( 2 points) 4.66 c) What is the most frequently occurring score in this distribution of scores - mode? (2 point)
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Unformatted text preview: (2 point) 2 2. Computa²on oF a mode is most appropriate when a variable is measured at which level? (2 points) A. interval-ra²o 1 B. ordinal C. nominal D. discrete Answer: _Nominal_______________________ 3. Assume that the distribuTon of a college entrance exam is normal with a mean of 500 and a standard deviaTon of 100 . For each score below, ±nd the equivalent Z score, the percentage of the area above the score, and the percentage of the area below the score. ( 5 each = total 10 points) 2...
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