Statistical Measures and Outliers

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, often used to show frequency of data.

Front

What does it mean when data is clustered?

Back

When data is clustered, it means that a group of data points are close together, indicating a concentration of values in that range.

Front

What is an outlier in a data set?

Back

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

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

What does it mean for a graph to be symmetrical?

Back

A symmetrical graph has two halves that are mirror images of each other.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is a skewed distribution?

Back

A skewed distribution is one where the data points are not evenly distributed, causing a tail on one side.

Front

What is the first quartile?

Back

The first quartile is the value that separates the lowest 25% of data from the rest.

Front

How do you find the total number of data points in a dot plot?

Back

Count the number of dots in the plot, as each dot represents one data point.