Lesson 4.1 Measures of Central Tendency - Mode, Median and Mean

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Dr. Jae Ki Lee

[@xxsd.1430]

in 5:40 I don't understand where did the 243 and 10 come from!

[@helpyourmathstat]

234 = 19 + 20 + ... + 35 + 35, the sum of the 10 numbers which are given. There are 10 numbers.