How does compound interest have an effect on your future life ?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

This is about circle theorems. someone asap : (

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities