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avanturin [10]
2 years ago
15

PLEASE HELP!

Mathematics
2 answers:
yan [13]2 years ago
5 0

Answer:

See below ~

Step-by-step explanation:

<u>a)</u>

  • Mean = 17 + 19 + 25 / 3
  • Mean = 61/3
  • <u>Mean = 20.3</u>

<u>b)</u>

  • Mean = 38 + 36 + 34 + 32 / 4
  • Mean = 140/4
  • <u>Mean = 35</u>

<u>c)</u>

  • Mean = 8.3 + 2.6 + 7.4 + 1.8 + 9.5 / 5
  • Mean = 29.6/5
  • <u>Mean = 5.92</u>

<u>d)</u>

  • Mean = -5 + 2 - 1 + 0 - 9 + 4 / 6
  • Mean = -9/6
  • <u>Mean = -1.5</u>
Anika [276]2 years ago
3 0

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
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