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

question 82

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 expected values for all categories.

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Definitions:

Braid

A complex structure or pattern formed by intertwining three or more strands of flexible material such as hair, wire, or fiber.

Evidence-Based Practice

A decision-making process that integrates the best available research with clinical expertise and patient values.

Scientific Evidence

Information obtained through systematic observation or experimentation that serves as a basis for conclusions or decisions within the scientific method.

Individual Expertise

The specific knowledge or skill set that an individual possesses, often as a result of education, training, and experience in a particular field.