3. For each of the following, identify your populations, write out your research and null hypotheses, indicate whether you should use a one-tailed or a two-tailed test, and explain why. i. In an experiment, participants are told to type a paragraph as quickly as they possibly can. Is the typing accuracy score different for people who get such instructions compared to the typing accuracy score for people who are given no special instructions? Population I: Population 2: How Should you use a one-tailed test or a two-tailed test?. Why? ii. A researcher asks participants to take a 10-minute walk before measuring anxiety levels. Do people who walk first score lower on measures of anxiety than people in general who do not walk first? Population I: Population 2: Ho Should you use a one-tailed test or a two-tailed test?. Why? iii. Do people who live in rural areas develop more physical illnesses than people in general? Population 1: Population 2: Ho: Should you use a one-tailed test or a two-tailed test?. Why