These weekly exercises provide the opportunity for you to understand and apply statistical methods and analysis. Unless otherwise stated, use 5% (.05) as your alpha level (cutoff for statistical significance). #1. For each example, state whether the one-sample, two-independent-sample, or related- samples ttest is most appropriate. If it is a related-samples ttest, indicate whether the test is a repeated-measures design or a matched-pairs design. . A professor tests whether students sitting in the front row score higher on an exam than students sitting in the back row. . A graduate student selects a sample of 25 participants to test whether the average time students attend to a task is greater than 30 minutes. . A researcher matches right-handed and left-handed siblings to test whether right-handed siblings express greater emotional intelligence than left-handed siblings. . A principal at a local school wants to know how much students gain from being in an honors class. He gives students in an honors English class a test prior to the school year and again at the end of the school year to measure how much students learned during the year