Data Representation

Front

What is data representation?

Back

Data representation is the way in which information is stored, organized, and presented in a format that can be understood and processed by computers and humans.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

Front

How do you find the total number of items in a data set?

Back

To find the total number of items, you add up all the individual counts from each category.

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What does it mean to analyze data?

Back

Analyzing data means examining and interpreting the information to find patterns, trends, or insights.

Front

What is a tally chart?

Back

A tally chart is a simple way to record and count occurrences of an event using marks (tallies) to represent each count.

Front

What is the purpose of a pie chart?

Back

A pie chart is used to show the proportions of different categories as slices of a whole, making it easy to compare parts to the whole.

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What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

Front

What does 'mean' refer to in data?

Back

The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Front

What is a frequency table?

Back

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

Front

What is a mode in a data set?

Back

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