In the Past, of All the Students Enrolled in "Basic

question 71

Essay

In the past, of all the students enrolled in "Basic Business Statistics", 10% earned A's 20% earned B's, 30% earned C's, 20% earned D's and the rest either failed or withdrew from the course. Dr Johnson is a new professor teaching "Basic Business Statistics" for the first time this semester. At the conclusion of the semester, in Dr. Johnson's class of 60 students, there were 10 A's, 20 B's, 20 C's, 5 D's and 5 W's or F's. Assume that Dr. Johnson's class constitutes a random sample. Dr Johnson wants to know if there is sufficient evidence to conclude that the grade distribution of this particular class is different than the historical grade distribution
-Calculate the chi-square statistic.

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Definitions:

Capital

Resources made and used to produce and distribute goods and services; examples include machinery, buildings, and tools.

Firms

Business organizations that produce goods or services, often to make a profit.

Tariffs

Taxes imposed on imported goods, often to protect domestic industries or to raise government revenue.

Subsidizing Exports

Financial support provided by governments to domestic companies to lower their production costs and make their exports more competitive on the global market.