Unit 8 Data Sets & Distribution

Front

What is a data set?

Back

A collection of related data points or values, often organized in a table or list.

Front

What does distribution refer to in statistics?

Back

The way in which data values are spread or arranged, often represented in graphs or charts.

Front

What is the difference between statistical and non-statistical questions?

Back

Statistical questions anticipate variability in data and can be answered by collecting data, while non-statistical questions have a fixed answer.

Front

What is the purpose of calculating percentages in data sets?

Back

To understand the proportion of a specific value relative to the whole data set.

Front

How do you find the total number of items in a data set?

Back

By counting all the individual data points or values present in the set.

Front

What is a frequency distribution?

Back

A summary of how often each value occurs in a data set.

Front

What does it mean if a data set has a range of 0?

Back

All values in the data set are the same; there is no variability.

Front

How can you determine the median of a data set?

Back

By arranging the data in numerical order and finding the middle value.

Front

What is a mode in a data set?

Back

The value that appears most frequently in the data set.

Front

What is the significance of outliers in a data set?

Back

Outliers are values that differ significantly from other observations and can affect the overall analysis.