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Center: a single number that summarizes the data
Data Distribution: a display or list of all the data
IQR: the Inter-Quartile Range. The difference between the third and first quartiles.
MAD: the Mean Absolute Deviation. The mean of the absolute values of the data's deviation from the mean
Mean: typically, this refers to the arithmetic mean, which is the sum of the data divided by the number of data
Measures of Center: different types of calculating the center, such as mean, median, or mode.
Measures of Variability : differences in the data, measured by statistics like IQR, MAD, or range.
Median: the middle value of an ordered list of the data. In case of a tie, use the arithmetic mean of the tie.
Mode: the most frequent data value. In case of a tie, all ties are modes. If all values tie, there is no mode.
Population: every member related to the statistical question, not just the sample
Random Sample: each member of the data set has an equally likely chance of being chosen for the sample
Range: the difference between the greatest and least data values
Representative Sample: a sample that has the same qualities as the population
Statistical Question: a question that expects variability in the responses.
Valid Inference: an inference based on reasoning with the data
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