For Questions Use the Following Narrative

question 6

Essay

For Questions use the following narrative:
Narrative: Grades
Suppose a class of 100 students took their statistics final and their grades are shown in the table below.

-{Grades narrative} What is the probability that a student selected at random passed the final (where a D is considered to be a passing grade)?

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Definitions:

Sensitivity Chart

A sensitivity chart is a graphical representation used in decision making to show how different values of an independent variable affect a particular dependent variable.

Sample Statistics

Values calculated from a sample and used to estimate population parameters.

Overlay Charts

Graphical representations that display multiple data sets on top of one another for comparison purposes.

Frequency Data

Information that shows how often certain values, variables, or categories occur within a dataset.