Answer:
(5,5)
Step-by-step explanation:
you subtract 1 from 6 and 2 from seven like they did in (7,9) to (6,7)
hope this one help you byee
to calculate mean add all the entries in a week ,then divide by 7(the number of days)
i give you hint
mean for week 1=(52+65+... +60)/7
