BST FINAL EXAM QUESTIONS AND ANSWERS 2023

Question 1 0 out of 1 points To determine the proportion of variability in one variable that can be accounted for or explained by the variability of a second variable, you would calculate a correlation coefficient, then take its square root. Selected Answer: Tru e Answers: True Fals e  Question 2 1 out of 1 points When the researcher incorrectly rejects the null hypothesis, it is known as: Selected Answer: Type I error Answers: Hypothesis error Statistical significance Type I error Type II error  Question 3 1 out of 1 points Data which uses numbers to provide categories or labels as well as the ordering of the categories are: Selected Answer: Ordina l Answers: Nomin al Ordina l Ratio Interv BST FINAL EXAM QUESTIONS AND ANSWERS 2023 al  Question 4 1 out of 1 points Multivariate statistics refers to the statistical analysis of the relationship between two variables. Selected Answer: Fals e Answers: True Fals e  Question 5 1 out of 1 points This is the measurement of dispersion equal to the square root of the mathematical variance. Selected Answer: Standard deviation Answers: Mean Median Standard deviation Range  Question 6 1 out of 1 points Data which uses number values, has an equal distance between values, and has a possible absolute zero is: Selected Answer: Ratio Answers: Interv al Nomin al Ordina l Ratio  Question 7 1 out of 1 points Generally, an ANOVA test is used when the means of 3 or more groups are compared. Selected Answer: Tru e Answers: Tru e False  Question 8 1 out of 1 points If a researcher accepts a null hypothesis when that hypothesis is actually true, she has committed: Selected Answer: no error Answers: a type I error a type II error no error a causation  Question 9 1 out of 1 points A formal statement that there is a relationship between variables when tested by a researcher is called: Selected Answer: Alternative hypothesis Answers: Null hypothesis Type I error Type II error Alternative hypothesis  Question 10 1 out of 1 points You are studying the effect of hypnosis on weight loss. You will measure each patient's weight pre- and post-intervention. The most appropriate test is: Selected Answer: Dependent groups t-test Answers: One sample t-test MANOVA ANCOVA Dependent groups t-test