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

Distinction between charasteristics of private and public, Use the distinct...

Use the distinction between the charasteristics of private and public goods to determine whether the following should be produced through the market system or provided by the gover

Balance of payment, what cause balance of payment curve to shift

what cause balance of payment curve to shift

Var model, The estimated statistics from the VAR model are not able to be i...

The estimated statistics from the VAR model are not able to be interpreted to solve the problem of this coursework due to reasons that are discussed in the next subchapter. Therefo

The functions of price mechanism in a free market economy, Price Mechanism ...

Price Mechanism Price mechanism is the point, which equilibrates supply and demand within a market. It is a mechanism of pricing. The price mechanism is one, which permits the p

Compare the three investments, Compare the three investments below in terms...

Compare the three investments below in terms of their riskiness. What is the best way to evaluate the riskiness of an investment given the information you have on them? Project Exp

Explain what happen to supply of good, Good X is produced in a competitive ...

Good X is produced in a competitive market using input A. Explain what would happen to the supply of good X in each of the following situations. The price of input A decreases.

What do you mean by price index, Q. What do you mean by Price index? Be...

Q. What do you mean by Price index? Because we are only interested in percentage change of the price level and not particular value, we can divide every price level by a given

Oecd, What is the significance of the observations made by OECD in this cas...

What is the significance of the observations made by OECD in this case study regarding “The OECD economies are more strongly dependent on the production, distribution and use of kn

Total firm''s cost schedules to calculate, Use the following data on a firm...

Use the following data on a firm's total cost schedules to calculate its average variable cost, average fixed cost, average total cost, and marginal cost schedules. Output Total

Aggregate demand and supply diagram, Using an aggregate demand and supply d...

Using an aggregate demand and supply diagram, explain how each of the following scenarios affects the equilibrium price level and aggregate output. Consider first the short-run, th

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