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The average age of group of 16 students is 20 years. If 4 more students join the group, the average age rises by 2
The average age of group of 16 students is 20 years. If 4 more students join the group, the average age rises by 2 years. The average age of the new students is: 1. 29 years 2. 25 years 3. 30 years 4. 27 years 5. none of these
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Applied Statistics In Business And Economics
Authors: David Doane, Lori Seward
4th Edition
73521485, 978-0073521480
