-Diagram 6-2 Illustrates a Light Source, a Gas Cloud, and Three

question 4

Multiple Choice

-Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum

• A)1
• B)2
• C)3
• D)2 and 3
• E)none of them

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Definitions:

ρ Values

In statistics, ρ often denotes the population correlation coefficient or the significance level of a hypothesis test, context depending.

Spearman Rank-Correlation

An assessment of rank correlation, not based on parameters, which evaluates the extent to which two variables' relationship can be represented through a monotonic function.

Pearson Correlation

is a measure of the linear correlation between two variables, quantifying the strength and direction of their relationship.

Two-tail Tests

Hypothesis tests that consider extreme values in both tails of the distribution to evaluate the likelihood of observing a relationship by chance in either direction.