In Performing a Chi-Square Goodness-Of-Fit Test for a Normal Distribution

question 67

Multiple Choice

In performing a chi-square goodness-of-fit test for a normal distribution, a researcher wants to make sure that all of the expected cell frequencies are at least five. The sample is divided into 7 intervals. The second through the sixth intervals all have expected cell frequencies of at least five. The first and the last intervals have expected cell frequencies of 1.5 each. After adjusting the number of intervals, the degrees of freedom for the chi-square statistic is ________.

• A) 2
• B) 3
• C) 5
• D) 7

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Definitions:

Temporal Cortex

A region of the cerebral cortex located in the temporal lobe of the brain, associated with processing auditory information and memory.

Conscious Visual Knowledge

The awareness of visual information and understanding its meaning through the processing of sight.

Syntax

The set of rules, principles, and processes that govern the structure of sentences in any given language, including the order of words.

Visual Area V5

A region of the brain located in the occipital lobe that is primarily responsible for the processing of motion perception.