Statıstıcs I Deneme Sınavı Sorusu #1279580
Data : 20, 12, 16, 12, 10 ; what is the Pearson’s coefficient of skewness of these data ?
|
0.80 |
|
-1.75 |
|
0.90 |
|
1.50 |
|
-1.20 |
Yanıt Açıklaması:
median : 12 ; arithmetic mean : m = 70 / 5 = 14 ; s = ((42 + 22 + 22 + 22 + 62) / 4)1/2 = 4 ; Pearson’s coefficient of skewness PCS = 3 (14 – 12) / 4 = 1.5 . pg. 122. Correct answer is D.
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