Ordinary Oxygen Has an Atomic Mass of 16 and an Atomic

question 2

Multiple Choice

Ordinary oxygen has an atomic mass of 16 and an atomic number of 8.This means that the number of neutrons in this type of oxygen is

• A)24.
• B)8.
• C)16.
• D)not stable.
• E)nonE.

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Definitions:

ANOVA

Stands for Analysis of Variance, a statistical method used to determine the existence of significant differences between the means of three or more independent groups.

F-test

A statistical test used to compare either two variances or the variances of more than two groups at the same time.

Independent Samples Design

A research design in which different groups of participants are exposed to different treatments or conditions, and their outcomes are compared to inspect the effects of the treatment.

Randomized Block Design

An experimental design that groups subjects into blocks based on certain characteristics before randomly assigning treatments, to reduce the variability within treatment conditions.