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What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44

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What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44  [#permalink]

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New post 21 Oct 2018, 20:55
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A
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C
D
E

Difficulty:

  15% (low)

Question Stats:

90% (01:03) correct 10% (00:33) wrong based on 31 sessions

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Re: What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44  [#permalink]

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New post 21 Oct 2018, 21:03
Bunuel wrote:
What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44, 37, and 49?

A. 41

B. 43

C. 44

D. 47

E. 49


Average=\(\frac{(40+1)+(40+2)+(40+1)+(40+7)+(40+4)+(40-3)+(40+9)}{7}=\frac{7*40+21}{7}=\frac{7(40+3)}{7}=43\)

Ans. (B)
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Re: What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44  [#permalink]

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New post 22 Oct 2018, 04:33
Bunuel wrote:
What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44, 37, and 49?

A. 41

B. 43

C. 44

D. 47

E. 49



=> (41+42+41+47+44+37+49) / 7
=> 43 (b)
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Re: What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44 &nbs [#permalink] 22 Oct 2018, 04:33
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What is the average (arithmetic mean) of the values 41, 42, 41, 47, 44

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