The one-sample z test is used to compare a mean from a single sample to an expected quot;norm.quot;Jason claims the children of Pluto township are…

The one-sample z test is used to compare a mean from a single sample to an expected “norm.”Jason claims the children of Pluto township are above average. You take a simple random sample of 9 children from Pluto township and measure their intelligence with another town Welsh and find the following scores: {116, 128, 125, 119, 89, 99, 105, 116, and 118}. The mean of this sample (x) is 112.8. We know the town of Welsh scores are scaled to be Normally distributed with a mean of 100 and standard deviation of 15.

Is this sample mean sufficiently different from a population mean μ of 100 to reject the null hypothesis of “no difference?”

Your answer submission must include a response to the following in context of the above question

4a) Submit the null and alternative hypotheses statements

4b) Submit the test statistic and its calculations

4c) P value 

4d) Your conclusion in response to the question – Is this sample mean sufficiently different from a population mean μ of 100 to reject the null hypothesis of “no difference?” 

Show more

Calculate Your Essay Price
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more