Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. 7. according to the market research firm npd group

7. According to the market research firm NPD Group, Americans ate an average of 211 meals...

50.1K

Verified Solution

Question

Statistics

7. According to the market research firm NPD Group, Americansate an average of 211 meals in restaurants in 2001. The followingdata show the number of meals eaten in restaurants as determinedfrom a random sample of Americans in 2014: 212, 128, 197, 344, 143,79, 180, 313, 57, 200, 161, 320, 90, 224, 266, 284, 231, 322, 200,173. Using ? = .05, test the hypothesis that the number of mealseaten at restaurants by Americans has not changed since 2001.

1) Identify the null and alternative hypotheses.

2) Set the value for the significance level.

3) Determine the appropriate critical value.

4) Calculate the appropriate test statistic

. 5) Compare the test statistic with the critical value

. 6) State your conclusion.

7) Calculate and interpret the P-value

Answer & Explanation Solved by verified expert
3.8 Ratings (697 Votes)
data212 128 197 344    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

Statistics
1.2K views

match vocab with definition A single value used to approximate a population parameter Point estimator The number on the...

Biology
1.2K views

Which of the following changes leads to an increase in entropy of the system? The evaporation of...

Statistics
1.2K views

(a)Evaluate the following set of data for possible and probable outliers. 5 8 2 9 5 3...

Biology
1.2K views

Home 41 p 42 hard Student Resou In a population of deer females are most...

Physics
1.2K views

For shown situation if collision between block A B is perfectly elastic then find the...

Calculus
1.2K views

Find the mass of the thin bar with the given density function p x 4...

Accounting
1.2K views

A manufactured product has the following information for June. ...

Accounting
1.2K views

Required information [The following information applles to the questions displayed below] As of December 31,...

Accounting
1.2K views

This is a financing lease (you do not need to perform the lease tests). ...

Accounting
1.2K views

3. Guardian is a national manufacturing company of home health care appliances. It is faced...

Accounting
1.2K views

on december 6 delta air signed a 60,000 $, 90 day 8% note payable to...

Finance
1.2K views

need help immediately please In the context of financial markets and securities, intelis...