Average Drinking Age in Ohio University Statistical Reasoning Questions

From chapters 1 & 2- Fundamental Statistics for the Behavioral SciencesThe questions are structured so that a single letter, word, or number will suffice. Computationalquestions are arranged so that partial credit can be given for each step answered correctly.Always use the following model to submit your answers to the questions.EXAMPLE:Your name:Module Number:AnswersQ1 CQ2 BQ3 A, etc.If the question requires computation, do the calculations and then give the correctvalues as follows:(Always hold all decimal values through your computations, and round finalanswers to at least two decimal places)!Q4 7Q5 4Q6 22, etc.If the question is a fill in the blank, just put in the appropriate word(s) as follows:Q7 statisticsQ8 dependent variable, etc.(There are 20 questions to be answered for Module 1)Q1: The goal(s) of statistical procedures are toA. predict or infer what might happen in the futureB. describe what has happenedC. both A and B are correctD. none of the aboveQ2: Parameter is to population as _________ is to sampleA. descriptiveB. inferentialC. margin of errorD. statisticQ3: The concept of generalizing from a few observations to an entire group is central to thearea of A. descriptive statisticsB. inferential statisticsQ4: Statistical questions tend to fall into what two main categories?A. samples or populationsB. relationships or differencesC. relationships or categoriesD. differences or categoriesE. none of the aboveQ5: An example of descriptive statistics would beA. based on previous data, prediction of the expected number of fans who willshow up to a Tuesday night professional baseball gameB. calculating the number of people who actually showed up to a professionalbaseball gameFor the following 4 questions (Q6 to Q9) identify the scale of measurement.Use the following system:A. nominalB. ordinalC. intervalD. ratioQ6: Students voting for their preferred professors by ranking themQ7: The Fahrenheit temperature scaleQ8: The amount of time it takes you to showerQ9: GenderFor the following 2 questions (Q10 to Q11) identify the following variables as eithermeasurement or categorical.Use the following system:A. measurementB. categoricalQ10: The number of points earned on a statistics examQ11: Academic letter grade (i.e. A, A-, B+, B, and so forth)For the following 2 questions (Q12 to Q13) identify the following variables as eitherdiscrete or continuous.Use the following system:A. continuousB. discreteQ12: The time elapsed since last ChristmasQ13: The number of cats you ownThe following 4 questions (Q14 to Q17) are based on the following situation:A biologist was investigating the number of eggs laid by snakes. She believes there is adifference between Rattlesnakes and King Cobras.Q14: What is the independent variable? __________Q15: What is the dependent variable? __________Q16: Is the dependent variable discrete or continuous? __________Q17: What is the scale of measurement of the dependent variable? __________Q18: A researcher was investigating whether gender, age of the student, and GPA of thestudent had a bearing on how much alcohol the average Ohio University student would drink ona typical weekend. How many dependent variables are involved with this research?A. oneB. twoC. threeD. fourThe following 2 questions (Q19 to Q20) are based on the following situation:A quality control supervisor measures the quality of steel ingot on a scale from 0 to 10.He designs an experiment in which three different temperatures and five different pressures areutilized, with 20 ingots produced at each Temperature-Pressure combination.Q19: What is/are the independent variable(s)?A. quality of steelB. temperatureC. pressureD. two of the above are correctQ20: What is/are the dependent variable(s)?A. quality of steelB. temperatureC. pressureD. two of the above are correct

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