StatisticsdrillMean from a frequency table
A statistics problem from Statisticsdrill. Solve it with one answer box, with a fresh sample on every attempt and the worked steps and spreadsheet function in the answer, and it is checked the moment you submit.
The task
A frequency table shows the number of items per online order (value: number of orders): 1: 24, 2: 18, 3: 13, 4: 11. What is the mean number of items per online order? Round to 2 decimal places.
What this problem teaches
The formula: Mean = Σ(x × f) / Σ f.
A hint if you get stuck
Each value counts as many times as its frequency: mean = Σ(value × frequency) / Σ frequency.
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