You Want to Test Whether or Not the Following Sample

question 5

Multiple Choice

You want to test whether or not the following sample of 30 observations follows a normal distribution. The mean of the sample equals 11.83 and the standard deviation equals 4.53. ​ At the 5% level of significance, the conclusion of the test is that the

• A) null hypothesis cannot be rejected.
• B) data does not follow a normal distribution.
• C) sample data has no probability distribution.
• D) sample data is incorrect.

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Definitions:

Loose Associations

A thought disorder characterized by disjointed thinking where the connection between thoughts is difficult to discern, often observed in schizophrenia.

Delusions

False beliefs held with conviction despite evidence to the contrary, often occurring as a symptom of psychiatric disorders.

Hallucinations

Perceptual experiences that occur without an external stimulus, often vivid and convincing, affecting various senses.

Concordance Rate

The statistical measure that indicates the likelihood of two individuals sharing a trait or disorder, often used in twin studies.