<span>mean: ( 9 + 7 + 6.5 + 7.5 + 7 + 8 + 5 + 6 + 7.5 + 8 ) : 10 = 7.15Variance:(Sigma)² = ( 1.85² + 0.15² + 0.65² + 0.35² + 0.15² + 0.85² + 2.15² + 1.15² + 0.35² + 0.85² ) : 10 ≈ 1.15Answer: C ) 1.15</span>
Answer:
23 is the answer of this question
Step-by-step explanation:
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Answer: make 6 jumps which are 0.4 long to get 2.4
Step-by-step explanation:
137,638
+52,091
-------
189,729 ⇨ 189,730
48 centimeters is the answer
