Use the Following to Answer Questions

question 15

Short Answer

Use the following to answer questions
-Use the periodic table above to show where the alkali metals are located.

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Definitions:

Z-test Approximation

A statistical method that uses the Z-distribution to approximate the significance of observed differences, typically used when sample sizes are large and the standard deviation is known.

Wilcoxon Test Statistic

A non-parametric test statistic used to compare two paired samples to assess whether their population mean ranks differ.

Null Hypothesis

A hypothesis that assumes no statistical significance or effect exists in a set of observations.

Level Of Significance

The threshold below which a statistical result is considered significant, indicating that an observed effect is unlikely to be due to chance alone.