Data Collection

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What is data collection?

Back

Data collection is the process of gathering information to learn about something.

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What is a tally mark?

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A tally mark is a way to count things using lines. Each group of five lines makes counting easier.

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What is a bar graph?

Back

A bar graph is a picture that shows numbers using bars. Each bar represents a different group.

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What is a pictograph?

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A pictograph is a graph that uses pictures or symbols to show information.

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What is a tally chart?

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A tally chart is a table that uses tally marks to count and show data.

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How do you find the total number of items collected?

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Add all the tallies or numbers together to find the total.

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What does it mean to survey?

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To survey means to ask people questions to gather information.

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How do you compare two groups using data?

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You can compare two groups by looking at their numbers and seeing which one is bigger.

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What is the purpose of a graph?

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The purpose of a graph is to make it easier to see and understand data.

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What does 'more' mean in data?

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'More' means a larger number or amount when comparing two groups.