Homework 1 1. Provide the correct scale of measurement (nominal, ordinal, interval, or ratio) for each example: a. Military rank b. Weight loss in grams c. Academic major d. Degrees in Fahrenheit 2. Aresearcher is interested in studying fithess of college students in San Diego county. She obtains the average body weight of a large subset of participants from various colleges around San Diego. In her analyses she compared students across year level (freshman, sophomore, junior, senior). From this she is hoping to gain insight on the whole county's college student average body weight. Choose from the following terms to answer the questions below: Population, Sample, Parameter, Statistic, Discrete Variable, Continuous Variable a. What term refers to the individuals the researcher is interested in? b. What term refers to the average body weight obtained from the participants in this study? c. What term refers to the participants in the study? d. Which kind of variable is the students' year in college? e. Which kind of variable is body weight? f. What term refers to the average body weight of the whole county's college students? What is the target population for this study? 3. Aresearcher wants to see if grades in statistics improves if students use an electronic version of their statistics book or a printed version of the book. They randomly assign students to have a free copy of either electronic or printed version. Researchers then obtain student''s test scores on their first exam. a. What is the independent variable (I1V)? b. What is the dependent variable (DV)? c. Is this study experimental or nonexperimental? 4. The following scores represent quiz scores with a max score of 10. Create a frequency distribution table and histogram for these scores. Quiz scores: 6,9,7,7,10,8,7,1,4,8,4,10,1,3,4,3,8,5,7,5,4,3,4,4,1, 4, 4,10, 6, 9 5. Three values for X exist on a distribution. Choose the correct description for the values for central tendency on the following distribution types. a. Normal distribution I. Mean = Median = Mode ii. Mean Median > Mode iv. Mean = Median; Mode 1 Median > Mode iv. Mean = Median; Mode 1 Median > Mode iv. Mean = Median; Mode 1 Median > Mode iv. Mean = Median; Mode 1