Match these terms with their descriptions. 1. a portion of a large group biased sample 2. choosing a sample so that every member has an equal chance of being chosen estimating from a sample 3. choosing a sample from people who are under 15 years old random sample 4. using the responses of a small group to make conclusions about the large group. sample

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