109 parts made from alloy 1 and 49 parts made from alloy 2 were subjected to stress tests. 18 parts from alloy 1 and 13 parts from alloy 2 did not… | Cheap Nursing Papers
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109 parts made from alloy 1 and 49 parts made from alloy 2 were subjected to stress tests. 18 parts from alloy 1 and 13 parts from alloy 2 did not…

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____ (Answer for this blank must be typed to either 2 or 3 decimals depending on whether the z or t table is appropriate)

Part B) What is the test statistic ? _______

Question 2. Find the 99% confidence interval ( in terms of alloy2- alloy1). ***** Please, Answer must be typed to four decimals****

Left Endpoint = ________

Right Endpoint = ________

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