TRUEBOSS72
TRUEBOSS72 TRUEBOSS72
  • 02-04-2018
  • Mathematics
contestada

Please help me with​ this question!!!\
please please

Please help me with this question please please class=

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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 02-04-2018
The mean book rating will decrease

Add all the numbers together:
5 + 5 + 6 + 7 + 7 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 10 + 10 + 10= 136

divide the total with the total amount of numbers

136/17 = 8

Now add all the numbers again WITH the one

5 + 5 + 6 + 7 + 7 + 7 + 7 + 8 + 8 + 8 + 9 + 9 + 10 + 10 + 10 + 10 + 10 + 1= 137

Divide the total amount with the amount of numbers there are

137/18 = 7.61

7.61 < 8

The mean book rating will decrease by 0.39

hope this helps
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