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What did the Portuguese typically sell to Africans in exchange for gold and salt?
Descriptive Statistics
Statistical methods used to summarize, show, and analyze data sets, typically through measures of central tendency and variability.
Frequency Distribution
A summary of how often different values occur in a dataset, often visualized through histograms or tables.
Categorical Data
Data that represent characteristics and can be divided into groups or categories that do not have a numerical value or order.
Statistical Inference
The process of using data from a sample to make generalizations or predictions about a larger population.
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