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The following are partial results of a regression analysis involving sales (Y in millions of dollars), advertising expenditures (X1 in thousands of dollars), and number of salespeople (X2) for a corporation. The regression was performed on a sample of 10 observations.
a.At = 0.05, test for the significance of the coefficient of advertising.
b.If the company uses $20,000 in advertisement and has 300 salespersons, what are the expected sales? (Give your answer in dollars.)
Western Ideas
Concepts, philosophies, and ideologies that originated or were popularized in Western Europe and North America, often associated with values such as democracy, individualism, and progress.
China
A country in East Asia, the world's most populous nation, with a rich history, diverse cultures, and significant influence on global affairs.
Japan
Situated in the Pacific, Japan stands as a nation steeped in a blend of modern innovation alongside deep-rooted cultural practices and is noted for its significant contributions to global culture and technology.
Emelian Pugachev
A Cossack leader who led a major peasant uprising against the Russian empire in the 18th century, known as Pugachev's Rebellion.
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