This statistics tutorial explains how to calculate the mean of grouped data. It also explains how to identify the interval that contains the median and mode of a grouped frequency distribution table.
Statistics - Free Formula Sheet:
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Introduction to Statistics:
Mean, Median, Mode, & Range:
Weighted Mean & Averages:
Find Missing Value Given The Mean:
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Arithmetic, Geometric, & Harmonic Mean:
Simple Frequency Tables:
Stem and Leaf Plots:
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Quartiles, Deciles, & Percentiles:
Interquartile Range & Outliers:
Standard Deviation of Grouped Data:
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Introduction to Probability:
Probability Formulas:
Probability Tree Diagrams:
Probability - Normal Distributions:
Final Exams and Video Playlists: