Desmos Tricks

Mean & Median

Compute statistics for long lists of numbers in seconds.

📊 Mean & Median Lists

Best for: Calculating stats for large data sets instantly.

📝 SAT Problem

What is the mean of the following data set?

12, 15, 18, 22, 25

(A) 18.0
(B) 18.4
(C) 19.2
(D) 22.0

Step 1: Define & Calculate

Type the list L = [12, 15, 18, 22, 25]. Then type mean(L).

Desmos Mean Calculation

✅ Final Answer:

mean = 18.4

(Answer choice B)

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