1. What is the name of the variable that’s used to predict another variable?  ​E

1. What is the name of the variable that’s used to predict another variable? 
​Explanatory
​Standard error of the estimate
​Response
​Coefficient of determination
​2. Professors at a local university earn an average salary of $80000 with a standard deviation of $6000. The salary distribution is approximately bell-shaped. What can be said about the percentage of salaries that are at least $74,000? 
​About 97.5 percent
​About 84 percent
​About 68 percent
​About 95 percent
3. What type of relationship is indicated in the scatterplot? 
​A positive linear or curvilinear relationship
​No relationship
​A negative curvilinear relationship
​A negative linear relationship
4. The study of statistics can be defined as:
​the art and science of getting information from data.
​All of the answers
​the language of data.
​the study of collecting, analyzing, presenting, and interpreting data.
​5. In the accompanying stem-and-leaf diagram the values in the stem and leaf portions represent 10s and 1s digits, respectively. The stem-and-leaf diagram shows that the distribution is ___________. 
​​symmetric
​positively skewed
​negatively skewed
​None of the answers

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