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

Enumerate the statement- interest rates with longer maturity, Enumerate the...

Enumerate the statement- Interest rates with longer maturity Since loans with longer maturities are substitutes for overnight loans, the central bank also has some control o

Annual increase in replacement cost, You have acquired a CT scanner at a co...

You have acquired a CT scanner at a cost of $750,000. You expect to perform 7,000 procedures per year over the estimated 5-year life of the scanner. Assuming no salvage value and a

Change in demand for the product, The price will change in the market, only...

The price will change in the market, only due to the change in demand for the product. True or false

Negative performances of the economy, An advantage of observing statistics ...

An advantage of observing statistics from this range is that it encapsulates both positive and negative performances of the economy helping to produce a much more accurate insight

Total cost of linear equation, The total cost C of producing x units of som...

The total cost C of producing x units of some commodity is a linear function. Records show that on one occasion, 100 units were made at a total cost of $200, and on another occasio

Unemployment, Find the labor force, the working-age population, the number ...

Find the labor force, the working-age population, the number of employed workers, and the number of unemployed workers. Unemployment rate 5.60 % Participation rate 62.50

Market labor supply, Suppose that the market labor supply and labor demand ...

Suppose that the market labor supply and labor demand equations are given by Qs = 5W and Qd = 30 - 5W. If a minimum wage is set at $4.00 (W = 4), then how all step by step.

Design-build-operate engineering company, A design-build-operate engineerin...

A design-build-operate engineering company burrowed $6 million for 3 years so that in can purchase new equipment. The interest is compounded and the total amount owed will be paid

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