4.3 Dotplot Review

Front

What is a dotplot?

Back

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

Front

How do you calculate the percentage of games won?

Back

Percentage of games won = (Number of games won / Total number of games) x 100.

Front

What does bimodal distribution mean?

Back

A bimodal distribution has two different modes or peaks, indicating two prevalent values in the data set.

Front

What is a symmetric distribution?

Back

A symmetric distribution is one where the left and right sides of the graph are mirror images of each other.

Front

What is the significance of the peak in a dotplot?

Back

The peak in a dotplot indicates the most frequently occurring value in the data set.

Front

How do you describe 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 range of a data set?

Back

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

Front

What does unimodal distribution mean?

Back

A unimodal distribution has one clear peak, indicating a single prevalent value in the data set.

Front

How can you identify the shape of a distribution from a dotplot?

Back

You can identify the shape by observing the number of peaks and the symmetry of the data points.

Front

What is the formula for calculating the mean of a data set?

Back

Mean = (Sum of all data points) / (Number of data points).