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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?
Last year, the nation of Tigerland imported goods totaling $500 million and exported products totaling $386 million. Tigerland experienced a(n).
if a 10% decrease in the price of product A brings about a 3% increase in the sales of product B, then a. product A and B are complementary b. the cross elasticity of demand
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casual factors of traditional business cycle and its effects on the sectors of the economy
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How can we answer in Economic terms this questions: Why should the government consider to increase tax on cigarette
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