When a researcher is claiming that their research hypothesis is true when it really is not true, this is O a. significant decision O b. correct decision O c. Type II error O d. Type I error QUESTION 15 If a researcher is studying a population, large or small, a large number of individuals should be sampled to ensure the sample size is representative. O True O False QUESTION 16 A researcher can say that their results are highly significant at which level? a. .001 O b. .05 O C. .025 O d. .01 QUESTION 17 Which of the following types of graphs are typically used with nominal or ordinal data? O a. frequency distribution O b. frequency polygon O c. histogram O d. bar chart