Mathematics, 11.12.2021 14:00 heavendavis101

Help ! 1. The the mean enrollment of a school during seven consecutive years was as follows :

1580,2020,2580,3200,3550,3710,401 0

. Find the mean enrollment of the school for this period .

2. 17,19,20,22,24,24,28,30,30,36

find the mean time taken by the students to complete the test ( in minutes )

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Help ! 1. The the mean enrollment of a school during seven consecutive years was as follows :