Question: A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they

A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in cups, yesterday.


A recent study revealed the typical American coffee drinker consumes


At the .05 significance level, do these sample data suggest there is a difference between the national average and the sample mean from seniorcitizens?

3.1 3.3 3.5 2.6 2.6 4.3 4.438 3.1 4.1 3.1 3.2

Step by Step Solution

★★★★★

3.32 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Assume the population is normal... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

356-M-S-H-T (234).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Q:

Do you agree that there is little difference between emerging markets and developing countries? Why or why not?

Q:

An agent claims that there is no difference between the pay of safeties and linebackers in the NFL. A survey of 15 safeties found an average salary of $501,580, and a survey of 15 linebackers found...

Q:

A food expert claims that there is no difference between the taste of two leading soft drinks. In a taste test involving 200 persons, however, 55% of the subjects say they like soft drink A better...

Q:

A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in...

Q:

A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in...

Q:

A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in...

Q:

Instructions: Questions 32-36 use the data table on tab Q32-Q36 in the Exam Workbook. You will be asked to determine the "Number of items" and the "Total Cost" for item classes. Total cost SHOULD be...

Q:

A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in...

Q:

Actually this question is from Business Statistic 35. FILE A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed...

Q:

According to the Coffee Research Organization (http://www.coffeeresearch.org) the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they...

Q:

What are the characteristics (e.g., age, income, education) of the target market customers for the following products or services? (a) National Geographic magazine, (b) People magazine, (c) New York...

Q:

What are some reasons why we have to be careful in altering any kind of material we might want to show in court? How can understanding the issues with the manipulation of photographs and color helps...

Q:

Suppose that a new car wash facility requires an investment of $100,000 and either has (a) even cash flows of $50,000 per year or (b) the following expected annual cash flows: $30,000, $40,000,...

Q:

Contrast How did the Mass- achusetts state constitution (1780) differ from most of the other state constitutions?

Q:

At the Warren County Fair, one of the animal events was evaluating hogs on several criteria. Based on the criteria the hogs were rank ordered. Wally Sedwick, director of the Warren County Fair, and...

Q:

Using the following data, apply a two-tailed Wilcoxon rank-sum test to determine if the two populations are different. Use the .05 significance level. Population A Population B 38, 45, 56, 57, 61,...

Q:

Did you ever purchase a bag of M&??s candies and wonder about the distribution of colors? Did you know in the beginning they were all brown? Now, peanut M&Ms are 12% brown, 15% yellow, 12% red, 23%...

Q:

Which of the following are consequences of a low FICO credit score? (1) higher cost of debt (interest rate), as compared to someone with a higher credit score (2) less availability of credit, as...

Q:

What is the purpose of closing the books? What is the purpose of closing entries? Distinguish between temporary and permanent accounts. Upon completing closing entries the balance in temporary...

Q:

Read the article"Will We Ever Stop Using Fossil Fuels? to answer questions. The links of the article is below. http://web.mit.edu/knittel/www/papers/JEP_hydro_latest.pdf G. What can we learn from...