Statistics Flashcards

Front

What is Statistics?

Back

The science of collecting, organizing, analyzing, and interpreting data.

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What is Numerical Data?

Back

Data that consists of numbers that can be measured or counted (e.g., heights, test scores).

Front

What is Categorical Data?

Back

Data that represents categories or groups (e.g., favorite color, types of pets).

Front

What is a Statistical Question?

Back

A question that expects different answers because data varies (more than 1 answer).

Front

What is Frequency?

Back

The number of times a value or category occurs in a data set.

Front

What are Measures of Center?

Back

Numbers that describe the center or typical value of a data set: mean, median, and mode.

Front

What is Mean?

Back

The average of a data set, found by adding all numbers and dividing by the count.

Front

What is Median?

Back

The middle number when data is ordered from least to greatest.

Front

What is Mode?

Back

The number or category that appears most often in a data set.

Front

What are Measures of Spread?

Back

Numbers that describe how data values vary or spread out, including range, interquartile range, and variability.