PSYC 300 Week 8 quiz

PSYC 300 Week 8 quizPart 1 of 1 - 40.0 Points Question 1 of 20 2.0 Points How are inferential statistics different from descriptive statistics? A.Descriptive statistics allow drawing inferences from the sample to a target population. B.Descriptive statistics verify the accuracy of the inferential statistics. C.Inferential statistics describe the results of a study. Correct D.Inferential statistics allow drawing inferences from the sample to a target population. Answer Key: D Question 2 of 20 2.0 Points _____ are characteristics of samples, while _____ are characteristics of populations. A.Concepts; statistics B.Parameteres; statistics Correct C.Statistics; parameters D.Parameters; estimations Answer Key: C Question 3 of 20 2.0 Points In a normal distribution, what percentage of scores falls between one standard deviation below the mean and one standard deviation above the mean? A.16% B.50% Correct C.68% D.90% Answer Key: C Question 4 of 20 2.0 Points Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3. The median of this set of scores is ______. A.2 B.3 Correct C.4 D.4.5 Answer Key: C Question 5 of 20 2.0 Points Here is a set of scores: 5, 3, 7, 3, 6, 2, 5, 3. Those mode of this set of scores is _____. A.3 B.4 Incorrect C.4.22 D.4.5 Answer Key: A Question 6 of 20 2.0 Points An exam was given to two sections of the same course. In Section 1, the exam mean was 51 and the standard deviation was 7. In Section 2, the exam mean was 51 and the standard deviation was 13. Which of the following conclusions is accurate? A.Section 1 did better on the exam than Section 2