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Grade Distribution
a Professor Would Like to Test to See

question 106

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Grade distribution
A professor would like to test to see if the grade distribution for male and female students are the same.The following table shows the distribution of grades for 1450 students.
 A  B CDF Tatal  Male 1241922128715630 Female 19523824D12027820 Tatal 319430452207421450\begin{array} { | c | c | c | c | c | c | c } \hline & \text { A } & \text { B } & \mathbf { C } & \mathbf { D } & \mathbf { F } & \text { Tatal } \\\hline \text { Male } & 124 & 192 & 212 & \mathbf { 8 7 } & 15 & \mathbf { 6 3 0 } \\\hline \text { Female } & 195 & 238 & 24 \mathrm { D } & 120 & 27 & \mathbf { 8 2 0 } \\\hline \text { Tatal } & 319 & 430 & 452 & 207 & 42 & 1450 \\\hline\end{array}
-Using α\alpha = 0.05,state the conclusion.

Identify the appropriate graphical representation for different types of data.
Describe the properties and uses of stem-and-leaf plots.
Understand the concept and calculation of relative frequency.
Describe methods and considerations in constructing relative frequency histograms.

Definitions:

Cognitions

Mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Thoughts

Mental processes that involve the organization and processing of information, including beliefs, opinions, and plans.

Basic Approach

The fundamental strategy or method adopted in dealing with a problem or in understanding a concept.

Paradigm

A distinct set of concepts or thought patterns, including theories, research methods, postulates, and standards for what constitutes legitimate contributions to a field.

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