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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?
mention and explain four factors that determine the volume of production.
what happens when there is changes in the quantity supply?
Discuss about the Keynesian economists The Keynesian economist A. W. Phillips developed short-run Phillips curve analysis in the 1950s. Phillips had researched the relationshi
Assume that the following data describe the condition of the banking system: Total Reserves $200 billion Transactions Deposited $700 billion
factors that causes the shifts in balance of payments
Challenges to the American Labor Force
How can a country maintain equilibrium GDP with foreign trade?
Q. What do you mean by Price index? Because we are only interested in percentage change of the price level and not particular value, we can divide every price level by a given
The following is the information from the national income accounts for a hypothetical country: GDP Rs. 6000.00 Gross Investment Rs. 800.00 Net Investment Rs. 200.00 Consumption Rs.
explain approaches of national income?
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