Averages from frequency tables
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The mean from a frequency table
Multiplying each value by its frequency, then dividing by the total frequency.
The median from a frequency table
Counting through the frequencies to the middle, without rewriting the list.
Mode and range from a frequency table
Both read from the value column, not from the largest frequency.
Practice
Practice
The mean from a frequency table
Multiplying each value by its frequency, then dividing by the total frequency.
PracticeThe median from a frequency table
Counting through the frequencies to the middle, without rewriting the list.
PracticeMode and range from a frequency table
Both read from the value column, not from the largest frequency.
PracticeAverages from tables review
Frequency tables and grouped data.