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Gegee die volgende frekwensieverdeling vir: / Given the following frequency distribution for :
Klasgrense / Class limits | Frekwensie / Frequency |
(0;10] | 30 |
(10;20] | 35 |
(20;30] | 20 |
(30;40] | 10 |
(40;50] | 5 |
Totaal / Total | 100 |
Die akkuraatste benadering vir die gemiddelde is: / The most accurate approximation for the mean is:
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