What is the mean of the sampling distribution
An average book copy sells for 100$ and the standard deviation is $20. Consider a random sample consisting of 50 books?
What is the mean of the sampling distribution of the mean?
Answer with explanation please.
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What is the standard error? The correct answer is 1.813 but how do you get that? What is the test statistic? Correct answer is 2.11 but how do you get that?
An average book copy sells for 100$ and the standard deviation is $20. Consider a random sample consisting of 50 books? What is the mean of the sampling distribution of the mean?
A golf club applies an average force of around 1000 N on a golf ball of 0.045 kg which is primarily at rest. The club is in contact with the ball for around 1.8 ms. Determine the speed of the golf ball as it leaves the tee?
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