The First Transatlantic Cable Was Made of ____

question 9

Multiple Choice

The first transatlantic cable was made of ____.

• A) gutta percha
• B) horn
• C) shellac
• D) vulcanized rubber

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Definitions:

p < .05

A statistical term indicating that the probability of the observed data, or more extreme, if the null hypothesis were true, is less than 5%, often used as a threshold for statistical significance.

Experimental Group

In research, a group of subjects who receive the treatment or variable being tested for its effect.

Control Group

The group in an experiment or study that does not receive the experimental treatment, serving as a baseline for comparison with the experimental group.

Mathematical Summaries

The use of statistics, such as mean, median, mode, and range, to provide a comprehensive overview of numerical data.