Exhibit 12

question 15

Multiple Choice

Exhibit 12.5 In the following table,individuals are cross-classified by their age group and income level. Refer to Exhibit 12.5.Assuming age group and income are independent,the expected 'low income and 21-35 age group' cell frequency is:

• A)105.27
• B)107.72
• C)146.31
• D)178.42

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Definitions:

IQ Test

A standardized test designed to assess human intelligence, quantifying cognitive abilities in relation to an average score of 100.

WISC-IV

The Wechsler Intelligence Scale for Children, Fourth Edition, a tool used for assessing the intellectual abilities of children aged 6 years to 16 years 11 months.

WAIS-III

The Wechsler Adult Intelligence Scale, Third Edition, a widely used test designed to measure cognitive ability in adults.

Wechsler IQ Test

A standardized test designed to measure human intelligence through various verbal and performance indicators.