Wheres the data? we cant answer without the data.
1) The ratio of used books to all books is 6:14
2) The ratio of used books to new books is 6:8
Answer:
y=13
Step-by-step explanation:
5+13=18
Answer:
-1
Step-by-step explanation:
Step-by-step explanation:
Arithmetic mean has become the most widely used measure of central tendency of data. ... That is why arithmetic mean is regarded as the ideal measure of central tendency. One demerit of arithmetic mean is that it is affected by the extreme value (of observed data)
