Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. the distribution of birthweight of singletons in c

The distribution of birthweight of singletons in city of Tianjin, China is approximately normal with mean...

60.1K

Verified Solution

Question

Basic Math

The distribution of birthweight of singletons in city ofTianjin, China is approximately normal with mean m=3,445 grams andstandard deviation = 409 grams [2]. An investigator plans toconduct a study to determine if birthweight for singletons whosemothers were with gestational diabetes mellitus (GDM) have the samemean. Based on literature search, the true mean birthweight forinfants whose mothers with GDM is estimated 3,800 grams (± 250grams). The investigator wants 90% power to detect the differences.A two-tails test conducted at the 0.05 level of significance willbe used. What sample size is needed for this study? if the power ischanged to 80%, what sample size is then needed?

Answer & Explanation Solved by verified expert
4.3 Ratings (620 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Basic Math
1.2K views

Select one De De Nature of Science Interpreting Bivariate Data 2 Which of the following...

General Management
1.2K views

I need some assistance with explaining how an analysis of Averages is used in any way...

Biology
1.2K views

By conducting the given experiment, teacher can conclude thatA.Genes for eye colour and body colour...

Biology
1.2K views

Question 1 Points 2 FDR had several reasons for making the defeat of Germany the...

Physics
1.2K views

A locomotive of mass m is sitting on a track. A train car of mass...

Geometry
1.2K views

4 5 2 5 9 5 5 18 8

Basic Math
1.2K views

A sample was done collecting the data below Calculate the standard deviation to one decimal...

Accounting
1.2K views

(Prepared from a situation suggested by Professor John W. Hardy.) Lone Star Meat Packers is...

Accounting
1.2K views

a ? 5. Linda has been assigned to establish a PMO in her organization. Linda...

Accounting
1.2K views

financial econometric

Accounting
1.2K views

Harizontal Atalvsis of the Income statement Inceme statement data for Winthrop Company for two recent...

Finance
1.2K views

101. Which of the following actions may be performed by an unlicensed personal assistant? Hold...