Data Analysis Review

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What is data analysis?

Back

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

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What is a frequency table?

Back

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

Front

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

Back

To find the mean, add all the numbers together and then divide by the total number of values.

Front

What does it mean to compare data?

Back

Comparing data involves looking at two or more sets of data to identify similarities, differences, or trends.

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What is a survey in data collection?

Back

A survey is a method of gathering information from individuals, often used to collect data about opinions, behaviors, or characteristics.

Front

What is the purpose of tracking homework time?

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Tracking homework time helps students understand how much time they spend on assignments and can improve time management skills.

Front

What is the difference between qualitative and quantitative data?

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Qualitative data describes qualities or characteristics (e.g., colors, names), while quantitative data involves numbers and measurements (e.g., height, weight).

Front

How can you represent data visually?

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Data can be represented visually using charts, graphs, and tables, which help to make the information easier to understand.

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 frequency or value of different categories.

Front

What does it mean to analyze data?

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Analyzing data means examining and interpreting the data to draw conclusions or make decisions based on the findings.