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3. 28, x, 23, 21, 26 Yukarıdaki veri grubunun aritmetik ortala- ması 24 olduğuna göre x sayısı kaçtır?

işlem lazım ​

Sagot :

Cevap:

22

Adım adım açıklama:

[tex] \frac{28 + x + 23 + 21 + 26}{5} = 24 \\ \frac{98 + x}{5} = 24 \\98 + x = 120 \\ x = 120 - 98 \\ x = 22[/tex]

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