Question
A company is doing a hypothesis test on the variation of quality from two suppliers. Both distributions are normal, and the populations are independent. use
A company is doing a hypothesis test on the variation of quality from two suppliers. Both distributions are normal, and the populations are independent. use
= 0.01
H0:12=22
HA:12>22
The standard deviation of the first sample is 3.6584
4.2023 is the standard deviation of the second sample.
the statistic test is
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
