Question
A total of 200 rods have been manufactured. You sample 50 of the rods and find that they have a mean length of 15.5 inches
A total of 200 rods have been manufactured. You sample 50 of the rods and find that they have a mean length of 15.5 inches with a standard deviation of 1.73 inches. Find the 80 % confidence limit for the mean length for all of the rods.
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Business Statistics For Contemporary Decision Making
Authors: Black Ken
8th Edition
978-1118494769, 1118800842, 1118494768, 9781118800843, 978-1118749647
