If the Magnitude Difference Between One Star and Another Is

question 31

Multiple Choice

If the magnitude difference between one star and another is 7, the stars differ in brightness by a factor of

• A) 2.51.
• B) 18.
• C) 6.
• D) 628.

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Definitions:

Unbiased Estimates

Statistical estimates or predictions that are accurate on average over a number of samples.

Sample Size

The number of observations or data points used in a sample for the purposes of statistical analysis.

Mean Deviation

A measure of the average distance between each data point in a set and the mean of the data set, reflecting the dispersion or spread.

Deviations

Differences between observed values and some reference value, often the mean of the set.