A Random Sample of Size 15 Selected from Normal Population

question 86

Multiple Choice

A random sample of size 15 selected from normal population A has standard deviation of 80.A second, independent, random sample of size 8 selected from normal population B has a standard deviation of 100.You will test a null hypothesis that the variances of the two populations are equal, using a 2% significance level.Report your conclusion.

• A)Since F_stat is greater than F_c, we cannot reject the "equal variances" null hypothesis.
• B)Since F_stat is less than F_c, we cannot reject the "equal variances" null hypothesis.
• C)Since F_stat is less than F_c, we can reject the "equal variances" null hypothesis.
• D)Since F_stat is greater than F_c, we can reject the "equal variances" null hypothesis.

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Definitions:

Dissociative Amnesia

A dissociative disorder in which there is a complete or partial loss of the ability to recall personal information or identify past experiences.

Dissociative Identity Disorder

A severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memory and sense of identity, formerly known as multiple personality disorder.

Personality Disorders

A group of mental health conditions characterized by enduring patterns of behavior, cognition, and inner experience that deviate significantly from the expectations of the individual's culture.

Childhood

The period in human life from birth to the onset of puberty, characterized by growth, development, and learning.