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

Lm curve with inflation, The LM curve with inflation  We know that LM ...

The LM curve with inflation  We know that LM curve will shift upwards when P increases (presuming MS is constant). This is still true though we can also add that LM curve glid

Equilibrium price and quantity, Say that the equilibrium price and quantity...

Say that the equilibrium price and quantity both rose. What would you say was the most likely cause? There was _____(increase, decrease, no change) in demand and ________(increase,

Define gross requirements and scheduled receipts, One unit of A is made up ...

One unit of A is made up of one unit of B and one unit of C. B is made of three units of D and one unit if F. C is composed of three units of B, one unit of D, and four units of E.

Rice production is land intensive, If rice production is land intensive and...

If rice production is land intensive and computer production is labor intensive, though both good require some land and labor, the two-good production possibilities frontier will c

Nations'' levels of per capita, In general, economists have found that as n...

In general, economists have found that as nations' levels of per capita real Gross Domestic Product (GDP) increase, A. the rate of population growth declines. B. the rate of

What is the macroeconomic policy, Macroeconomic policy Macroeconomic p...

Macroeconomic policy Macroeconomic policy trade-offs are likely along the short-run Phillips curve however are not maintainable in the long run. In the short run a government

Central banking, what are the qualitative methods of controling credit

what are the qualitative methods of controling credit

What is gdp, Assuming an economy with no government and no foreign trade. M...

Assuming an economy with no government and no foreign trade. Measure GDP for the following output scenario: There are three firms: firm A is a minning company, firm B is a stee

National income, There are many ways to measure the national income. a) Lis...

There are many ways to measure the national income. a) List at least 5 of themk question #Minimum 100 words accepted#

Mutual funds into stock also funds from money market, How would the followi...

How would the following influence the growth rates of theM1 and M2 money supply figures over time? a. an increase in the quantity of U.S. currency held overseas b. a shift of f

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