CJ 301 Asm 5 first page - Standard deviation is 10 Would a...

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CJ 301 Assignment #5 Z SCORE –Please answer each of the following questions. Also, INTERPRET your answers. You must use the lecture for this week while working on this assignment – Z score module – under the Learning Modules. ( Also, use the Z score table). Due date: February 28, Sunday (by midnight) *15 points total YOUR NAME: Clayton Granch 1. A state department of corrections has a policy whereby it accepts as correctional officers only those who score in the top 5 % of a qualifying exam. (2 points) The mean of this test is 80.
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Unformatted text preview: Standard deviation is 10. Would a person with a raw score of 95 be accepted? (Calculate a Z score: score – mean/st.dev.= ) The person would not be accepted. The person would be off by 5% 2. Given a normal distribution of raw scores with a mean of 60 and a standard deviation of 10, what proportion of cases fall: a) between a raw score of 40 and 80? (2 points) 40-60/10=-2.00=.4772 80-60/10=2.00=.4772 95.44% of scores fall between b) between a raw score of 45 and 50? (2 points) 45-60/10=1.5=.4332...
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