Display, Describe, & Summarize Data

Front

What is the third quartile?

Back

The third quartile (Q3) is the value that separates the highest 25% of data from the rest. It is the median of the upper half of the data set.

Front

What measure of central tendency is best when there is an outlier?

Back

The median is the best measure of central tendency when there is an outlier, as it is not affected by extreme values.

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

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Front

What is the median?

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

What is the mode?

Back

The mode is the value that appears most frequently in a data set.

Front

When is the mean a good measure of center?

Back

The mean is a good measure of center when the data does not contain outliers and is evenly distributed.

Front

When is the median a better measure of center than the mean?

Back

The median is better when the data set contains outliers or is skewed.

Front

What does it mean if data is clustered together?

Back

If data is clustered together, it means that the values are close to each other, indicating a concentration of data points.

Front

What is an outlier?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.