CSA #2 Review

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).

Front

What does the upper quartile (Q3) represent in a data set?

Back

The upper quartile (Q3) is the value that separates the highest 25% of the data from the lowest 75%. It is the median of the upper half of the data set.

Front

Can a data set have more than one median?

Back

False. A data set can have only one median, which is the middle value when the data is ordered.

Front

What does it mean if a graph is symmetrical?

Back

A symmetrical graph has a balanced shape, where the left side is a mirror image of the right side.

Front

What is a dot plot?

Back

A dot plot is a simple statistical chart that consists of dots representing the frequency of data points along a number line.

Front

How do you determine the mode of a data set?

Back

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

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 it mean for data to be skewed?

Back

Skewed data is not symmetrical and has a longer tail on one side, indicating that the data is not evenly distributed.

Front

What is the median of a data set?

Back

The median is the middle value when the data is ordered from least to greatest.

Front

What is a uniform distribution?

Back

A uniform distribution is a type of distribution where all outcomes are equally likely, resulting in a flat graph.