Find the upper quartile for the following data set: 7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9 9
6.5
11.5
5
7.5

Rounding decimals is very similar to rounding other numbers. if the hundredths and thousandths places of a decimal is forty-nine or less, they are dropped and the tenths place does not change. for example, rounding 0.843 to the nearest tenth would give 0.8. , your welcome !

I’m not sure how this works