3.1 Measures Central Tendency: Problem 2
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(1 point)
Consider the following data set. Find the mean, median and mode(s). Record answers that are not integers to two decimal places.
NOTES: (1) If there is more than one mode, list them all, separated by commas.
(2) If there is no mode, enter \"None\" .
Data set: 20, 2, 9, 13, 15, 2, 16, 12, 10, 18, 2, 6, 5, 4, 17, 10, 19, 15, 11
Mean:
Median:
Mode: