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

Overnight rates and interest rates with longer maturity, Q. Overnight rates...

Q. Overnight rates and interest rates with longer maturity? By controlling overnight interest rates, central bank will affect interest rates with longer maturity. Main reason f

How do tax cuts affect the economy, Tax cuts get better the economy by givi...

Tax cuts get better the economy by giving the people more spending power and higher consumer confidence, which leads to them spending more of all of their income which lead to more

Manufacturer is considering purchasing equipment, Manufacturer is consideri...

Manufacturer is considering purchasing equipment, which will have the following financial effects: Year Disbursements Receipts 0 $4400 $0 1 660 880 2 660 1980 3 440 2420 4 220 1760

Find the npv and the irr determine cash flows, The Research and Development...

The Research and Development Division of your company has just developed a new gaming system called the Zed Box.  The R&D Division spent $800,000 developing this product and the Ma

Income and Spending, I am trying to figure out how to calculate the eqilibr...

I am trying to figure out how to calculate the eqilibrium level of income and the multiplier

Critique the effectiveness of the model, Discuss how decisions are made in ...

Discuss how decisions are made in your workgroup. Which model is used for what situation? Be sure to provide specific examples of at least three situations and what model was used

TRUE or FALSE, 1.the AD curve represents at the same time the demand for go...

1.the AD curve represents at the same time the demand for goods, money and labor in the economy 2.in the AS-AD model, higher competition among producers leads to a medium run equil

Stock trading company, An online stock trading company makes part of their ...

An online stock trading company makes part of their revenue from clients when the clients trade stocks therefore, it is important to the company to have an good idea of how many tr

Current macroeconomics problems, In order to encourage you to take interest...

In order to encourage you to take interests in the current affairs in business, and have more concerns about the real world problems (which is what economics is about), you are req

The goals of macroeconomic policy, THE GOALS OF MACROECONOMIC POLICY  E...

THE GOALS OF MACROECONOMIC POLICY  Economic analysis attempts to explain why problems arise in the economy and how these problems can be dealt with. It is, therefore, indispens

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