A researcher surveys 100 university students and finds that 10 have zero siblings, 30 have one sibling, and 40 have two siblings. What does this summary of the data illustrate?

An illustration of a variable's distribution can be seen when analyzing the number of siblings in a sample of $$100$$ university students. In this scenario, the distribution could show that $$10$$ students have zero siblings, $$30$$ have one sibling, $$40$$ have two siblings, and so on.

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The distribution of a variable describes how scores or values are spread out across the different levels or categories of that specific variable.

Distribution of a Variable

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KPU Research Methods in Psychology - 4th American Edition

Central tendency is a statistical characteristic used to precisely describe the middle or typical value of a data distribution.

Central Tendency

The variability of a data distribution describes the extent to which individual scores differ or spread out around their central tendency.

Variability

Distribution of Number of Siblings

A variable's distribution can be demonstrated using the sex of individuals within a sample of $$100$$ university students. For instance, the distribution for the variable 'sex' might indicate that $$44$$ students have a score of 'male' and $$56$$ have a score of 'female'.

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