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 do you mean by yield curve, Q. What do you mean by yield curve? Yi...

Q. What do you mean by yield curve? Yield curve is a graph of interest rates of different maturity (recalculated to yearly rates) at a specific point in time. It's common for t

Components in the costs of health care services, What are the key component...

What are the key components in the costs of health care services?

Are credit cards, It is sometimes asked whether credit cards are money sinc...

It is sometimes asked whether credit cards are money since many purchases are made using these. Credit cards are a means of obtaining credit and using this to finance expenditure,

Identification problem associated, Note and explain the identification prob...

Note and explain the identification problem associated with the following statement. "During Bill Clinton's presidency the US economy saw unusually strong economic growth; thus, Mr

Estimating womens labor supply, 1.    Estimating Women's Labor Supply a....

1.    Estimating Women's Labor Supply a.    The following regression was run for an estimate of the current women's labor supply curve: Where h i = hours of labor suppl

Credit multiplier, How to calculate credit multiplier with the value of dep...

How to calculate credit multiplier with the value of deposit, reserves requirement and loan

BALANCE OF PAYMENTS, explain any two factors that cause the shifts in the b...

explain any two factors that cause the shifts in the balance of payments curve.

Market structures, illustrate and discuss the market structures competitive...

illustrate and discuss the market structures competitiveand non competitive for price determination

Equilibrium price and quantity of hybrid vehicles, Suppose gasoline and hyb...

Suppose gasoline and hybrid vehicles are substitutes. Draw a graph indicating what will happen in the market for hybrid vehicles if the price of gasoline increases. Be sure to labe

ORTHODOX KEYNESIAN, WHAT IS THE CENTRAL PROPOSITION OF THE ORTHODOX KEYNESN...

WHAT IS THE CENTRAL PROPOSITION OF THE ORTHODOX KEYNESNIANS?

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