You want to teach a friend how to find the median when an even number of values is given. Put the steps you need to teach your friend in the correct order.
Cross off low/high pairs.
Add the leftover numbers
Divide the sum by 2.
Put the numbers in order
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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