Unit 8 Quick Flashcard

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots plotted on a number line, representing the frequency of data points.

Front

What does symmetric data mean?

Back

Symmetric data is data that is evenly distributed around a central point, meaning the left and right sides of the distribution are mirror images.

Front

How can you identify symmetric data in a dot plot?

Back

In a dot plot, symmetric data will have an equal number of dots on both sides of the center point.

Front

What is the purpose of a dot plot?

Back

The purpose of a dot plot is to visually display the distribution of data points and to identify patterns or trends.

Front

What does it mean if a dot plot is skewed?

Back

A skewed dot plot has data that is not evenly distributed, with more data points on one side of the center than the other.

Front

What is the median in a data set?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

Front

How do you find the median in a dot plot?

Back

To find the median in a dot plot, count the total number of dots and locate the middle dot or the average of the two middle dots.

Front

What is the mode in a data set?

Back

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

Front

How can you determine the mode from a dot plot?

Back

The mode can be determined by identifying the column with the highest number of dots in the dot plot.

Front

What is a range in statistics?

Back

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