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

question 64

Multiple Choice

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 his class is different than the historical grade distribution. Use = .05,and determine the appropriate degrees of freedom and the rejection point condition associated with this goodness of fit test.

• A)5,11.1
• B)4,11.1
• C)4,9.5
• D)5,9.5

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Definitions:

Individuals Over 65

People who are aged 65 years and above, often considered seniors or elderly in many societies.

Wealth Holders

Individuals or entities that possess a significant amount of assets or wealth.

Percentage Points

A unit of measure used in expressing differences in percentage, indicating a change relative to a whole, rather than a proportional increase or decrease.

United States

A nation located in North America, made up of 50 states, a federal district, five significant autonomous territories, and a multitude of possessions, recognized for its vast economy and heterogeneous population.