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

Increase in the popularity, If there is an increase in the popularity of vi...

If there is an increase in the popularity of video games and more companies making video games, then the following is true? A) Sales of the games will be uncertain. B) Price will g

Why does yield on UK gov bond go up when stock markets down?, Doesn''t mone...

Doesn''t money move out of stock markets into bond? If more people buy bonds does this not push bond prices up and yields down? My question is about this quote from the Gardian tod

ENC 312, what have you learned from the class

what have you learned from the class

What do you mean by wage inflation, Q. What do you mean by Wage inflation? ...

Q. What do you mean by Wage inflation? We will develop the Keynesian model removing the assumption of fixed nominal wages. We state wage inflation p w as the percentage averag

Static and dynamic multipliertitle.., suppose c=a+by and investmentI is giv...

suppose c=a+by and investmentI is given.assuming mpc=.80 and I=50,find static and dynamic moel question #Minimum 100 words accepted#

Graph the industry demand and supply, Construct two graphs that exhibit equ...

Construct two graphs that exhibit equilibrium in the petrol market - assume that there are no taxes. Clearly label the equilibrium values. (a) Graph the AFC, AVC, ATC, and MC fu

Firms use crowd sourcing technique, Thread less is an example of a firm bui...

Thread less is an example of a firm building on its customer base to use new products and also to participate in the design and vetting of popular designs. In the summer of 2010, D

Illustrate the says law, Q. Illustrate the Says Law? With Say's Law, ag...

Q. Illustrate the Says Law? With Say's Law, aggregate demand would always be equal to aggregate supply and cross model would be incorrect.  Keynes's argument as to why Say's

Calculate the average propensity, Question: Table below shows the recen...

Question: Table below shows the recent trends in terms of consumption. (a) (i) Explain what is meant by the term ‘marginal propensity to consume' (MPC) and the ‘averag

Absolute advantage and comparative advantage, Differences between absolute ...

Differences between absolute advantage and comparative advantage?              Ans) Absolute benefit and comparative benefit are two basic concepts to international trade. Under

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