Compute the sample mean, Macroeconomics

Assignment Help:

Joans Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost-estimating purposes, managers use two hours of labor time for the planting of a medium-sized tree. Actual times from a sample of 10 plantings during the past month follow (times in hours).
1.7, 1.5, 2.6, 2.2, 2.4, 2.3, 2.6, 3.0, 1.4, 2.3
With a .05 level of significance, test to see whether the mean tree-planting time differs from two hours.

a. State the null and alternative hypotheses.

b. Compute the sample mean.

c. Compute the sample standard deviation.

d. What is the p-value?

e. What is your conclusion?


Related Discussions:- Compute the sample mean

Equilibrium price of guitars, Suppose the demand for guitars in State Colle...

Suppose the demand for guitars in State College is given by Qd = 9000 - 12P where Qd is the quantity demanded, and P is the price of guitars. Also, suppose the supply of guitars is

Nominal interest rate of 15% compounded annually, An investor has a series ...

An investor has a series of three $15,000 payments expected to be realized at the end of years three, four, and five. Calculate the present value P at time zero and the correspondi

Define public good, A public good: A) Generally results in substantial n...

A public good: A) Generally results in substantial negative externalities. B) Can never be provided by a nongovernmental organization. C) Costs essentially nothing to prod

Liberalisation and mode of entry, Liberalisation and Mode of Entry: Va...

Liberalisation and Mode of Entry: Various new forms of FDI flows have also emerged. Besides mergers and  joint ventures, transactional relationships are emerging such  as lice

Describe the keynes motivation, Q. Describe the Keynes motivation? Key...

Q. Describe the Keynes motivation? Keynes' motivation: In good times, when Y is high (above its trend), national income is high (above it trend). Consumers will take this opp

Illustrate website of at least 3 of the companies, Review the most current ...

Review the most current results of FORTUNE Magazine's annual ranking of America's "100 Best Companies to Work For." Explore the website of at least three of the companies noted. De

Unemployment, Why do we still have problem of "unemployment" ? How could we...

Why do we still have problem of "unemployment" ? How could we solve the problem? Which one is better fixed or flexible exchange rate of unemployment ?

Opportunity set, constructing a opportunity set and budget line for $15 lot...

constructing a opportunity set and budget line for $15 lottery ticket and intending on buying a candy bar for $0.75 and peanut bag for $1.50

What are the crisis affect the economies of country, What are the crisis af...

What are the crisis affect the economies This crisis would affect the UK in 3 major ways. First the UK would be unable to sell its exports to these economies if they are hea

Why are economic models uses for trade-offs and trade, Why are Economic Mod...

Why are Economic Models uses for Trade-offs and Trade? Simplified representations of actuality a. production possibility frontier b. comparative advantage c. circular-

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd