Manufacturer Of A Particular Battery Pack For Laptop Computers

20 May Manufacturer Of A Particular Battery Pack For Laptop Computers

Posted at 15:24h in Essay Writing Services by Blogger

The manufacturer of a particular battery pack for laptop computers claims its battery packs can function for 9 hours, on the average, before having to be recharged. A competitor claims that the manufacturer’s claim is too high. A random sample of 37 battery packs was selected and placed on test. The mean functioning time before having to be recharged was 7.2 hours with a standard deviation of 1.8 hours. Perform the appropriate test of hypothesis to determine whether the competitor is correct. Test using alpha = 0.05. Based on the test statistic, what can you conclude? Test statistic = -6.082762530, so we should not reject the manufacturer’s claim Test statistic = -37, so we should not reject the manufacturer’s claim. Test statistic = -8.160882302, so we should reject the manufacturer’s claim. Test statistic = -6.082762530, so we should reject the manufacturer’s claim Test statistic = -37, so we should reject the manufacturer’s claim.

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