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On an exam with μ-52, you have a score of X-56. Which value for the standard deviation would give you the highest position in the class distribution? 16. d. Cannot be determine 17. For a population with μ-80 and σ-10, what is the z-score corresponding to X-95 a. +0.25 b. +0.50 c. +0.75 d. +1.50
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16) Answer: a) σ 2 Explanation: σ= 56-52 z--= If σ=4 56-52 z--= 4 If σ-8 56-52 z--= If you see the greater value of z would give you the highest position in class distribution. Hence for σ-2, z has value 2 which is grater as compare to σ-4 and 17) Answer: d) +1.50 Explanation: X-u 95-80 10

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