Data Practice

Front

What is the mode in a set of numbers?

Back

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

Front

How do you calculate the average (mean) of a set of numbers?

Back

Add all the numbers together and then divide by the total count of numbers.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data.

Front

What is the difference between a bar graph and a histogram?

Back

A bar graph displays categorical data with rectangular bars, while a histogram displays the distribution of numerical data.

Front

How do you find the median of a set of numbers?

Back

Arrange the numbers in order and find the middle value. If there are two middle values, average them.

Front

What does it mean for data to be skewed?

Back

Skewed data is when the values are not symmetrically distributed, causing a tail on one side.

Front

What is a line plot?

Back

A line plot is a graph that shows frequency of data along a number line.

Front

How can you determine the range of a set of numbers?

Back

Subtract the smallest number from the largest number in the set.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs.

Front

What is the purpose of data visualization?

Back

Data visualization helps to present data in a visual context, making it easier to understand patterns and trends.