Data Analysis

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What is data analysis?

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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 scatter plot?

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A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.

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What does it mean if points on a scatter plot move upward?

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If points on a scatter plot move upward, it indicates a positive relationship between the two variables, meaning as one variable increases, the other also increases.

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What does it mean if points on a scatter plot move downward?

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If points on a scatter plot move downward, it indicates a negative relationship between the two variables, meaning as one variable increases, the other decreases.

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What is a relationship in data analysis?

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A relationship in data analysis refers to how two or more variables are connected or how one variable affects another.

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How do you find the difference between two quantities?

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To find the difference between two quantities, subtract the smaller quantity from the larger quantity.

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What does 'no relationship' mean in data analysis?

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'No relationship' means that there is no discernible pattern or connection between the two variables being analyzed.

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What is the purpose of weighing data?

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Weighing data helps to quantify and compare different items or groups, allowing for better analysis and understanding of the information.

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How can you determine how many items fall within a specific range?

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To determine how many items fall within a specific range, count the number of items that meet the criteria of being greater than the lower limit and less than the upper limit.

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What is a variable in data analysis?

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A variable is any characteristic, number, or quantity that can be measured or counted.