Which of the following is a directional test? Group of answer choices a one-tailed test a two-tailed test the research hypothesis the null hypothesis Flag question: Question 12 Question 121 pts Which of the following is a non-directional test? Group of answer choices a one-tailed test a two-tailed test a research hypothesis all hypotheses Flag question: Question 13 Question 131 pts What does generalizability mean? Group of answer choices Results may be applied to the population studied. Results apply only to the sample studied. Sampling error is high. The sample does not represent the population. Flag question: Question 14 Question 141 pts Which of the following provides you with a measure of how well your sample approximates the population? Group of answer choices generalizability population sampling error hypothesis Flag question: Question 15 Question 151 pts A greater difference between the sample statistic and the population parameter means that you will have ______ sampling error. Group of answer choices lower higher no infinite