The average weight of an NFL defensive end player is 279 lbs. A random sample of 25 players' weights from a major colleg

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answerhappygod
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The average weight of an NFL defensive end player is 279 lbs. A random sample of 25 players' weights from a major colleg

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The average weight of an NFL defensive end player is 279 lbs. A
random sample of 25 players' weights from a major college football
program found the mean weight was 275 lbs with a standard deviation
of 9.2 lbs. Use both a confidence interval and a hypothesis test at
the 0.05 level of significance to test if the mean weight differs
from 279 lbs. *
please show work
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