Elements in Group 18 (VIIIA) Are Called __________

question 120

Multiple Choice

Elements in group 18 (VIIIA) are called __________

• A) alkali metals.
• B) noble gases.
• C) alkaline earth metals.
• D) halogens.
• E) chalcogens.

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Definitions:

Wilcoxon Rank Sum Test

A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.

Un-standardized Test Statistic

An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.

Standardized Test Statistic

A value calculated from sample data that is used to assess the viability of a null hypothesis in the context of a significance test.

Nonparametric Procedures

Nonparametric procedures are statistical methods that do not assume a specific distribution for the data, often used when the data doesn't meet the assumptions required for parametric tests.