The ________ Database Model Was Developed to Solve Some of the Problems

question 26

Short Answer

The ________ database model was developed to solve some of the problems of the hierarchical database model.

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Definitions:

Standardized Test Statistic

A calculated statistic that measures the number of standard deviations a sample statistic lies from the null hypothesis, used in hypothesis testing.

Hypotheses

Statements set up for a statistical test that express the relationship between variables. There is usually a null hypothesis (no effect) and an alternative hypothesis (effect present).

Sigma

A symbol (σ) used in statistics to represent the standard deviation of a population.

Type II Error

The error that occurs when a hypothesis test fails to reject a false null hypothesis, also known as a false negative.