Odpowiedź:
1,2,3,3,a,5,6,6,b ,10
więc
[tex]x =[/tex] [tex]\frac{1 + 2 + 3 + 3 + a + 5 + 6 + 6 + b + 10}{10} = 4\frac{4}{5} = 4,8 / * 10[/tex]
36 + a + b = 48
a + b = 48 - 36 = 12
oraz
[tex]me =[/tex] [tex]\frac{a + 5}{2} = 4\frac{1}{2}[/tex] ⇒ a = 4
-------------------------------------------
4 + b = 12
b = 12 - 4 = 8
------------------------
Odp. a = 4 , b = 8
=====================
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Odpowiedź:
1,2,3,3,a,5,6,6,b ,10
więc
[tex]x =[/tex] [tex]\frac{1 + 2 + 3 + 3 + a + 5 + 6 + 6 + b + 10}{10} = 4\frac{4}{5} = 4,8 / * 10[/tex]
36 + a + b = 48
a + b = 48 - 36 = 12
oraz
[tex]me =[/tex] [tex]\frac{a + 5}{2} = 4\frac{1}{2}[/tex] ⇒ a = 4
-------------------------------------------
4 + b = 12
b = 12 - 4 = 8
------------------------
Odp. a = 4 , b = 8
=====================
Szczegółowe wyjaśnienie: