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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?
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.
exam notes of national income accounting
ACCOUNTING SYSTEM-EXAMPLE I Consider a very simple economy. It consists of a. A number of households. b. A single productive organization, a 'firm' - say the Jam Corpora
circular flow of income in a single sector,two sector,three sector and four sector
1. Calculate the duration of a par value bond with a coupon rate of 8% and a remaining time to maturity of 5 years. 2. On September 26, the spot price of gold was $320 per ounc
Explain about the nominal Gross domestic product It isn't very common to use CPI in construction of real GDP. The reason is that CPI measures the price evolution of consumer go
A young chef is considering opening his own sushi bar. to do so, he would have to quite his current job, which pays him $20,000 a year , and take over a store building that he owns
Suppose that between January 2011 and January 2012 the total number of people employed and the unemployment rate both fell. Briefly explain how this is possible. [2 marks]
A vital question is whether the equilibrium we have identified in labor market (with a high unemployment rate) can remain in long run. Will there not be adjustments which will take
how can a central bank diminish inflation
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