The First Group Tests of Human Abilities Were Developed for

question 67

Multiple Choice

The first group tests of human abilities were developed for

• A) screening intellectually subnormal school children.
• B) selecting soldiers to fight for the U.S.in World War I.
• C) selecting pilots for advanced training in the World War II.
• D) evaluating which students should be admitted to public universities.

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Definitions:

Normal Approximation

Normal approximation is a statistical technique that involves using the normal distribution to approximate the distribution of sample means or sums, especially useful for large sample sizes.

Standardized Test Statistic

A measure used in statistical hypothesis testing, indicating how far a sample statistic deviates from its null hypothesis expected value, typically expressed as a z-score.

Two-Tail Test

is a statistical test that considers extreme values in both tails of the distribution to test for a non-specific alternative hypothesis.

Wilcoxon Rank-Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their populations differ in terms of their central tendency.