Statistical analysis Flashcard

Front

What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a data set that shows its minimum, first quartile, median, third quartile, and maximum.

Front

What does the Maximum value represent in a data set?

Back

The Maximum value is the largest number in a data set.

Front

What is the First Quartile (Q1)?

Back

The First Quartile (Q1) is the median of the lower half of a data set, representing the 25th percentile.

Front

How do you find the Median of a data set?

Back

To find the Median, arrange the data in order and locate the middle value. If there is an even number of values, average the two middle values.

Front

What is the definition of Median?

Back

The Median is the middle value of a data set when arranged in ascending order.

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data.

Front

Is 'How far from work does Jeremy live?' a statistical question?

Back

No, it is not a statistical question because it has only one possible answer.

Front

What is the difference between Mean and Median?

Back

The Mean is the average of all data values, while the Median is the middle value when the data is ordered.

Front

What does the term 'Quartile' mean?

Back

A Quartile is a type of quantile that divides a data set into four equal parts.

Front

What is the purpose of a Box and Whisker Plot?

Back

The purpose of a Box and Whisker Plot is to visually summarize the distribution of a data set and identify outliers.