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

What is money and what is not money, Q. What is money and what is not money...

Q. What is money and what is not money? If you are trying to conclude if something is money, basically consider whether it would be accepted in most stores as payment. Then you

Utility maximisation - graphical presentation , Utility Maximisation: ...

Utility Maximisation: Graphical Presentation  Let consider a two-commodity world, x 1 and x 2 representing good I and good II respectively. p 1 and p 2 are the prices o

Effects of fiscal policy, (Effects of Fiscal Policy) Recently some legislat...

(Effects of Fiscal Policy) Recently some legislators have called for tax increases to reduce the federal budget deficit. Conservatives have countered that such tax increases could

Director of admissions at kinuza university, The director of admissions at ...

The director of admissions at Kinuza University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience. What is the e

Multiple regression analysis, In multiple regression analysis, before testi...

In multiple regression analysis, before testing the significance of the individual regression coefficients, (a) the intercept must equal 0. (b) the multiple standard error of the e

Standard deviation for sample bills, Suppose the country club bills based o...

Suppose the country club bills based on a sample of 4 members are: 383, 1,051, 637, 928. What is the standard deviation for this sample of bills? (please round your answer to 1 dec

Firms could produce vista, Would it be more efficient if more firms could p...

Would it be more efficient if more firms could produce Vista? Would Microsoft have spent the money to develop Vista if it didn't hold a patent--that is, if once it developed Vista,

Trade cycle, policy measures to control trade cycle

policy measures to control trade cycle

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