The average salary for the first-year teachers in Exercise 16.16

Select the appropriate statistical technique from among the options in the following figure.

Data from exercise 16.16

Determine if the study is descriptive, experimental, quasi-experimental, or correlational.
An economist wondered if job satisfaction was associated with salary. She obtained a sample of first-year teachers from all around the country and found each one€™s salary, adjusted for the local cost of living. She also had all teachers complete a job satisfaction survey.

Selecting the correct descriptive statistic What is being described? An individual A sample case The variable's level of How is it being summarized? measurement A single value The entire distribution Interval or ratio Graphs A frequency distribution Z Score or percentile rank (Chapter 5) Attribute being described (Chapter 2) What kind of variable? Central Variability tendency Continuous Discrete The variable's level of measurement The variable's level of measurement A histogram or frequency polygon (Chapter 2) A bar graph (Chapter 2) Interval Interval Nominal Ordinal or ratio or ratio Range, interquartile range, variance, or standard deviation (Chapter 3) Mode Median Mean (Chapter 3) (Chapter 3) (Chapter 3)