Seudónimo Seudónimo
  • 02-12-2020
  • Mathematics
contestada

the mean of 30 numbers is 150.it was detected on rechecking that one value of 165 was wrongly copied as 135.find the correct mean​

Respuesta :

Аноним Аноним
  • 02-12-2020

Answer:

151

Step-by-step explanation:

m=150cm

n=30

new mean =(m*n+165-135)/n

=(150*30+165-135)/30

=(4500+30)/30

=4530/30

=453/3

=151

therefore

correct mean =151

Hope this helps :D

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