Confidence Interval Assignment | Professional Writing Services

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Confidence Interval Assignment | Professional Writing Services 

Confidence Interval Assignment | Professional Writing Services

The quality-control manager at a factory that manufactures memory cards for
digital cameras needs to determine whether the mean data-transfer rate of a large shipment of cards is equal to 10 MB/s. The population standard deviation is 0.8 MB/s. A random sample of 64 cards indicates a sample mean data transfer rate of 9.8 MB/s.

(a) Consider the question: Is there evidence that the mean data-transfer rate is different from 10 MB/s? Would you recommend a hypothesis test with a one or two-sided alternative hypothesis? Justify your answer and write down your alternative hypothesis.
(b) Use your hypothesis test from part (a) to answer the question: Is there evidence that the mean data-transfer rate is different from 10 MB/s?
(c) What (if any) assumptions are needed in order for your conclusions in part (b) to be reliable?
(d) Construct a 95% confidence interval for the mean data-transfer rate of the large shipment of cards.
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Confidence Interval Assignment | Professional Writing Services

 

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Confidence Interval Assignment | Professional Writing Services

Confidence Interval Assignment | Professional Writing Services

The quality-control manager at a factory that manufactures memory cards for
digital cameras needs to determine whether the mean data-transfer rate of a large shipment of cards is equal to 10 MB/s. The population standard deviation is 0.8 MB/s. A random sample of 64 cards indicates a sample mean data transfer rate of 9.8 MB/s.

(a) Consider the question: Is there evidence that the mean data-transfer rate is different from 10 MB/s? Would you recommend a hypothesis test with a one or two-sided alternative hypothesis? Justify your answer and write down your alternative hypothesis.
(b) Use your hypothesis test from part (a) to answer the question: Is there evidence that the mean data-transfer rate is different from 10 MB/s?
(c) What (if any) assumptions are needed in order for your conclusions in part (b) to be reliable?
(d) Construct a 95% confidence interval for the mean data-transfer rate of the large shipment of cards.
Get Statistics homework help today
TOP ACADEMIC WRITER
He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America.

Related

Confidence Interval Assignment | Professional Writing Services

 

RE: Confidence Interval Assignment | Professional Writing Services  :At LindasHelp I can do all your assignments, labs, and final exams too. The work I provide is guaranteed to be plagiarism free, original, and written from scratch. Contact me today & let me  write your  Confidence Interval Assignment | Professional Writing Services 

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