Test Hypotheses Regarding Two Population Standard Deviations
-An Algebra Teacher $\alpha = 0.01$

question 15

Short Answer

Test Hypotheses Regarding Two Population Standard Deviations
-An algebra teacher believes that the variances of test scores of students in her evening algebra class are lower than the variances of test scores of students in her morning class. The results of an exam, given to the morning and evening students, are shown below. Can the teacher conclude that her evening students have a lower variance? Use $\alpha = 0.01$ .


Assume the samples were randomly selected from normal populations.

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Definitions:

IPT Label

Refers to the categorization or identification of Interpersonal Therapy within therapeutic models.

Contextual Therapy

A form of therapy that focuses on individual behavior in terms of familial and societal relationships and patterns across generations.

Humanistic Therapy

A psychotherapeutic approach that emphasizes individual potential for growth and the importance of human values, creativity, and self-realization.

Integrative Therapy

An approach to psychotherapy that combines different therapeutic practices and techniques to fit the needs of the individual client.