Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. heavy children: are children heavier now than they

Heavy children: Are children heavier now than they were in the past? The National Health...

90.2K

Verified Solution

Question

Basic Math

image

Heavy children: Are children heavier now than they were in the past? The National Health and Nutrition Examination Survey(NHANES) taken between 1999 and 2002 reported that the mean weight of six-year-old girls in the United States was 49.3pounds. Another NHANES survey, published in 2008, reported that a sample of 205 six-year-old girls weighed between 2003 and2006 had an average weight of 50.2 pounds. Assume the population standard deviation is a = 15.3 pounds. Can you concludethat the mean weight of six-year-old girls in 2006 is different from what it was in 2002? Use the a = 0.05 level of significance andthe P-value method with the TI-84 calculator.Part 1 of 4State the appropriate null and alternate hypotheses.Ho:u= 49.3H?: = 49.3The hypothesis test is a two-tailed ?test.Part: 1/4 -Part 2 of 4Compute the P-value. Round your answer to at least four decimal places.P-value=

Answer & Explanation Solved by verified expert
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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

1. Zu car rental corporation is trying to determine whether to add 25 cars to its...

Finance
Q

Problem 20-4A Manufacturing: Preparation of a complete master budget LO P1, P2, P3 The management of Zigby...

Accounting
Q

Discuss from an osteological bone perspective why the mammalian jaw is stronger than in early...

Biology
Q

A new machine will cost 24 000 but it will result in a savings of...

Basic Math
Q

What interest will be earned if $7000 is invested for 4 years at 11% compounded...

Basic Math
Q

Mike and Julie Bedard are a working couple. They will file a joint income tax...

Accounting
Q

8. The percentage of sales method has been used to forecast the firms financial statements....

Accounting
Q

Exercise 5-8 (Algo) Compute the Margin of Safety [LO5-7] Molander Corporation is a distributor of...

Accounting
Q

A corporation had the following assets and liabilities at the beginning and end of this...

Accounting
Q

You have a credit card with a balance of $11,200 and an APR of 17.2...

Finance
Q

Give two advantages and one disadvantage of value driven culture over the immediate driven culture...

Finance
Q

Herry is planning to purchase a Treasury bond with a coupon rate of 2.86% and...

Finance