How Often Is a Block Added to Ethereum

question 25

Multiple Choice

How often is a block added to Ethereum?

• A)Every 10 minutes.
• B)Every 12-15 seconds.
• C)Every 16-22 minutes.
• D)Every second.

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Definitions:

Friedman Test

An analysis technique without reliance on parameter assumptions for discerning treatment disparities across multiple testing occasions.

Distribution

The way in which something is shared out among a group or spread over an area, or the set of all possible values of a variable and how frequently they occur.

P-value

The probability of observing a test result at least as extreme as the one observed, under the assumption that the null hypothesis is true.

Kruskal-Wallis Test

The Kruskal-Wallis test is a non-parametric method for testing whether samples originate from the same distribution, used when the assumptions of one-way ANOVA are not met.