How to find daily average over a time period in mysql?

How to find daily average over a time period in mysql?

References

Reference NO 1

http://stackoverflow.com/questions/15203695/how-to-find-daily-average-over-a-time-period-in-mysql

Reference NO 2

http://stackoverflow.com/questions/15971348/calculate-average-daily-visitor-in-mysql

Reference NO 3

http://stackoverflow.com/questions/3081431/mysql-daily-average-over-a-month

Reference NO 4

http://stackoverflow.com/questions/6457362/sql-query-to-obtain-an-average-value-for-set-periods-of-time

Reference NO 5

http://www.solutionoferror.com/mysql/how-to-find-daily-average-over-a-time-period-in-mysql-1348.asp

Reference NO 6

http://www.tizag.com/mysqlTutorial/mysqlavg.php

Reference NO 7

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Reference NO 8

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