The mean age of a group of teachers representing a school at a conference is 40 years old. If the management team, aged 48, 58, 53, is added to them, then the new mean value will be 43 years old. Calculate how many teachers will take part in the conference?
The mean age of a group of teachers representing a school at a conference is 40 years old. If the management team, aged 48, 58, 53, is added to them, then the new mean value will be 43 years old. Calculate how many teachers will take part in the conference?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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The mean age of a group of teachers representing a school at a conference is 40 years old. If the management team, aged 48, 58, 53, is added to them, then the new
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