A manufacturer of batteries periodically selects samples of batteries. A recent sample of batteries powered a...
A manufacturer of batteries periodically selects samples of batteries. A recent sample of batteries powered a common flashlight for 212, 324, 299, 265, 199, 352, 381, and 392 hours. The standard deviation of the hours of battery life in this sample is
Homework Answers
Ans: The standard deviation of the hours of battery life in this sample is 68.3776 or 68.4
Explanation:
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A manufacturer of batteries periodically selects samples of
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PLEASE ANSWER CLEARLY A manufacturer of flashlight batteries claims that its batteries will last an average...
PLEASE ANSWER CLEARLY
A manufacturer of flashlight batteries claims that its batteries will last an average of 34 hours of continuous use. An analyst wants to test the claim that the mean life expectancy of the flashlight batteries is different from 34 hours. During consumer testing, a random sample of 50 batteries lasted an average of 33.2 hours with a standard deviation of 2.6 hours. One sample T summary hypothesis test: : Mean of population Ho! = 34 HA: 34...
PLEASE ANSWER CLEARLY A manufacturer of flashlight batteries claims that its batteries will last an average...
PLEASE ANSWER CLEARLY
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PLEASE ANSWER CLEARLY
A manufacturer of flashlight batteries claims that its batteries will last an average of 34 hours of continuous use. An analyst wants to test the claim that the mean life expectancy of the flashlight batteries is different from 34 hours. During consumer testing a random sample of 50 batteries lasted an average of 33.2 hours with a standard deviation of 2.6 hours. A One sample T summary hypothesis test: : Mean of population Ho: = 34 HAM...
PLEASE ANSWER CLEARLY
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PLEASE ANSWER CLEARLY
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