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Part b) (6 marks) A random sample of 4 observations was drawn from a normal population. The sample same and standard deviation are = 200
Part b) (6 marks) A random sample of 4 observations was drawn from a normal population. The sample same and standard deviation are = 200 and = 40. i) Estimate the population mean with 90% confidence. ii) Repeat part i) assuming the population standard deviation = 30
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Statistical Techniques in Business and Economics
Authors: Douglas A. Lind, William G Marchal
17th edition
1259666360, 978-1259666360
