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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?
This problem is based on the Ricardian Model. Assume that 2 countries, Stormlands and Reach, use White Walkers' labor to produce 2 goods, lumber and wheat.
The demand for textbooks is Q=200-P+25U-50Pbeer. Assume that the unemployment rate U is 8 and the price of beer P beer is $2. When the average price of a textbook is P=$100, the el
During the 1990s, technological advance reduced the cost of computer chips. Explain, with the use of supply and demand diagrams, how the following markets are affected in terms of
discuss approach to organizational design
definition and charactoristics of index numbers.problems while constructing index numbers
#“Nominal GDP declined between 2008 and 2009, therefore the GDP deflator must also have declined.”
i want a project topics in macroeconomics
Central bank and monetary policy By monetary policy we mean the policy directed at controlling the money supply and the interest rates. In most countries, the central bank is r
Q. Explain function of AS-AD model? The function of AS-AD model is to extend IS-LM model so that we can analyze situations where Y > Y OPT . To achieve this, we should make P e
y=c+c1(y-t0-t1y,r)+i+g
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