Hypothesis Bio-statistics

Hypothesis Bio-statistics homework. Find ˆ pC and ˆ pS. Also and the estimated standard error b se used to test the null hypothesis H0 : pC = pS and the estimated standard error b se used for the confidence interval.
ws1112.pdf

Unformatted Attachment Preview

Don't use plagiarized sources. Get Your Custom Essay on
Hypothesis Bio-statistics
Just from $13/Page
Order Essay

Work Sheet #11
Name(s):
Group
Control
Surgery
n
348
347
died
31
16
Table 1: Data for Prostate Surgery Experiment
From 1989 through 1999, 695 Scandinavian men with newly diagnosed prostate
cancer were randomly assigned to surgery (radical prostatectomy) or control
(New England Journal of Medicine 2002).
1. Find p^C and p^S . Also nd the estimated standard error se
b used to test
the null hypothesis H0 : pC = pS and the estimated standard error se
b
used for the con dence interval.
2. Find the approximate p-value for the test of H0 : pC = pS against HA :
pC 6= pS .
3. Find the approximate 95% con dence interval for pC – pS . Explain what
this intervals tells us about the reduction in the risk of death if one chooses
surgery.
1

Purchase answer to see full
attachment

Order a unique copy of this paper
(550 words)

Approximate price: $22

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

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

Order your essay today and save 15% with the discount code ESSAYHELP