Practice Problems (1-8) 1) 2) 4) In a brief sentence, explain why we almost always use two tails when we are studying human behavior or human response patterns. Calculate the critical values of Z for p <.05. and p two tailed. for each of the ve single observations below conduct a null hypothesis test to see if observed score plausibly belongs in comparison distribution. use .05 distribution study mean sd researcher has been running rats particular maze years generally take trials b memorize maze. he needs distract his next so exposed distraction experiences different measured following: rat loud bangs flashing lights food odors high pitched siren four observation tests gure out which tasks were distracting. interpret your results statistics std. deviation minimum maximum heading stats above come from le interviews taken on site multi-site academic achievement. nearby an ra found unfiled interview. participant scored interest conflict. how likely is under what conditions it reasonable assume that means will follow normal curve one or sentences are all you need here. calculate standard error these given sample n note be calculating errors. m case seven z determine part general population. twenty participants distracted during widely used memory task able recall average only items. they significantly>