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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?
Q. Explain the long-run Phillips curve? The long-run Phillips curve The augmented Phillips curve has an important consequence: the long-run Phillips curve must be vertical
Gasoline, insurance, depreciation, and repairs are all costs of owning a car. Which of these can be considered opportunity costs in the context of each of the following decisions?
GKX Industries expects sales of its hydraulic seals (in inch and metric sizes) to increase according to the cash flow sequence $70+4k, where k is in years and cash flow is in $1000
Assume that when an economy has a GDP of $500, Consumption is $550. The MPC is .75. Investment is 25. Begin the problem by setting up an Income/Consumption Schedule like the one on
Derivation of Indifference Curve: Consider any commodity bundle denoted by point A in the above figure which consist x 0 1 and x 0 2 amount of good I and good II respectiv
give and explain the different causes of national income variation
Rational Expectations School Expectations on the future values of economic variables play an important role in macroeconomic analysis and economic analysis in general. Because
what happens when there is changes in the quantity supply?
Consider the Tuckman group stage process schema. Identify specific actions a manager can take at each stage of the process to best help a group reach the performing stage. Respond
The following information has been extracted from the recently published accounts of Noddy Plc: Balance sheet as at 31 st May
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