Data Analysis Flashcard

Front

What is data analysis?

Back

Data analysis is the process of inspecting, cleaning, and modeling data to discover useful information, inform conclusions, and support decision-making.

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What is a fixed expense?

Back

A fixed expense is a cost that does not change from month to month, such as a mortgage or rent payment.

Front

What is a variable expense?

Back

A variable expense is a cost that can change from month to month, such as groceries or entertainment.

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 a dot plot?

Back

A dot plot is a simple way to display data using dots to represent the frequency of values.

Front

How do you calculate the total number of items from a frequency table?

Back

To calculate the total, add up all the frequencies listed in the table.

Front

What does it mean to represent data visually?

Back

Representing data visually means using charts, graphs, or plots to make the information easier to understand.

Front

What is the purpose of a data table?

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A data table organizes information in rows and columns, making it easier to read and analyze.

Front

What is the median in a set of numbers?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of values, it is the average of the two middle numbers.

Front

What is the mode in a set of numbers?

Back

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