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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, 2.3With 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?
Give your own example of "pseudoreplication" (sensu Hurlbert 1984) in an experiment. How does pseudoreplication cause problems for correct inferences from experiments?
what is static and dynamic multiplier in keynesian theory?
how to make project
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
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Classical Quantity Theories Quantity theories have had a long history and a widespread use in economics. As originally formulated these were not explicitly designed as theories
Question 1: (a) What are the characteristics of market and command economies? (b) In a number of countries in recent years, there has been a movement towards a greater rel
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
A farmer grows a bushel of wheat & sells it to a miller for Rs. 1.00. The miller turns the wheat into flour & then sells the flour to a baker for RS. 3.00. The baker uses the f
what are the two precautions required while estimating national income by value added method?
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