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5-Number Summary Using a TI-84 definitions

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  • Five-Number Summary
    A set of values summarizing a dataset, including minimum, first quartile, median, third quartile, and maximum.
  • TI-84 Calculator
    A graphing device used to input data and quickly compute statistical measures for large datasets.
  • Mean
    The average value of a dataset, calculated by summing all entries and dividing by the number of data points.
  • Median
    The middle value in an ordered dataset, dividing the data into two equal halves.
  • Standard Deviation
    A measure indicating how much data values deviate from the mean, reflecting dataset variability.
  • First Quartile
    The value below which 25% of the data falls, marking the lower quarter of the dataset.
  • Third Quartile
    The value below which 75% of the data falls, marking the upper quarter of the dataset.
  • One-Variable Statistics
    A calculator function that outputs key statistical measures from a single list of data.
  • Sample
    A subset of a population, used to estimate characteristics of the whole group.
  • Population
    The entire group from which data can be collected or analyzed.
  • SX
    The symbol representing sample standard deviation on the TI-84, used for sample data analysis.
  • Sigma X
    The symbol representing population standard deviation on the TI-84, used for population data analysis.
  • Minimum
    The smallest value in a dataset, indicating the lower boundary of the data range.
  • Maximum
    The largest value in a dataset, indicating the upper boundary of the data range.
  • Data List
    An organized sequence of values entered into the calculator for statistical analysis.