A grоup оf students need tо do а project in their stаtistics clаss where they collect a sample, get data, and write an analysis. They wrote their research objective as, "We want to estimate the mean age of people who shop at the Destiny USA mall in Syracuse during the weekend of February 21st". For their sampling plan, they spend a the February 21/22 weekend surveying every 6th person who entered the Hollister store in the mall. Blank 1: Describe the population of interest. Blank 2: Describe the sample. Blank 3: Is the sampling plan a good random plan, or is it biased? Blank 4: Give a reason for your answer in blank 3