BST 322 Exam Questions with Correct Answers

BST 322 Exam Questions with Correct Answers When calculating a Pearson's correlation coefficient, it is necessary that both variables have approximately normal distributions. - Answer-True The variable "Group assignment" is an example of what level of measurement? - Answer-Nominal Statistics that allow for inferences to be made about a population from the study of a sample are known as: - Answer-Inferential Which measure of variability is used most often in conjunction with the mean? - Answer-Standard deviation Data that are categorical but can be rank-ordered in a meaningful way are called: - Answer-Ordinal The variable "religion" is an example of what level of data? - Answer-Nominal The standard deviation is: - Answer-The square root of the variance In a study that examines the effect of a peer mentor on the emotional status of patients, what is the dependent variable? - Answer-Emotional status The variable "miles per hour" is an example of what level of data: - Answer-Ratio Information collected in a numerical form is called: - Answer-Quantitative Which measure of central tendency is at the highest point on a graph? - Answer-Mode The measure of central tendency that is the point at which half the scores fall above and half the scores fall below is the: - Answer-Median