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 frequency table?

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

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What is an outlier?

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An outlier is a data point that differs significantly from other observations in a dataset.

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How do you find the mode of a dataset?

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

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What is a scatterplot?

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A scatterplot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.

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What does it mean to interpret data?

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Interpreting data means analyzing the data to understand its meaning and implications.

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What is the median of a dataset?

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The median is the middle value when a dataset is ordered from least to greatest.

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How do you calculate the total cost from unit price and quantity?

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Total cost = Unit price x Quantity.

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What is a bar graph?

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A bar graph is a visual representation of data using bars to compare different categories.

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What is the purpose of a pie chart?

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A pie chart is used to show the proportions of a whole, with each slice representing a category's contribution.