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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?
process to calculate gross domestic product We just include finished goods and services - which is, anything that is sold directly to consumer. Electric power sold to a steel m
money demand = 3500 - 250i what is the interest rate present if the money market is in equilibrium
What do learn by study the supply curve concepts? a. The relationship in between quantity of inputs and output b. Why production is frequently subject to reducing returns
However, these results should be approached with due caution. The limitations and problems associated with VAR modelling have been outlined in this paper, therefore these observati
what is the meaning of the credit multiplier in the monetary sector
Camping at Wilson's Promontory, a national park in Victoria, isn't free, but for many years now not everyone who wants to camp at Wilson's Promontory during the Christmas holidays
Sustainability of Current Account Deficit: Theoretically speaking, a current account deficit can be sustained as long as the growth rate of national income exceeds the rate of
Manufacturer is considering purchasing equipment, which will have the following financial effects: Year Disbursements Receipts 0 $4400 $0 1 660 880 2 660 1980 3 440 2420 4 220 1760
Do you agee or disagree " Economic theory helps society reach economic goals that it has selected for itself?" Justify your answer.
1. In December 1979 it was possible to buy a January 1980 contract in gold at the New York Commodity Exchange for $487.50 per ounce and sell an October 1981 contract for $614.80 on
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