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Sagot :
Mean=Sum of data/No of data
#a
- 17,19,25
Mean
- 17+19+25/3
- 61/3
#b
- 38,36,34,32
Mean:-
- 38+36+34+32/4
- 140/4
- 35
#c
- 8.3,2.6,7.4,1.8,9.5
Mean
- 8.3+2.6+7.4+1.8+9.5/5
- 29.6/5
- 5.92
#d
- -5,-2,-1,0,-9,4
Mean
- -5+2-1+0-9+4/6
- -9/6
Answer:
See below ~
Step-by-step explanation:
a)
- Mean = 17 + 19 + 25 / 3
- Mean = 61/3
- Mean = 20.3
b)
- Mean = 38 + 36 + 34 + 32 / 4
- Mean = 140/4
- Mean = 35
c)
- Mean = 8.3 + 2.6 + 7.4 + 1.8 + 9.5 / 5
- Mean = 29.6/5
- Mean = 5.92
d)
- Mean = -5 + 2 - 1 + 0 - 9 + 4 / 6
- Mean = -9/6
- Mean = -1.5
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