Getting a valid sample - Study guides, Class notes & Summaries

Variables - correct answer-the events, characteristics, behaviors, or conditions that researchers measure and study. subject or participant - correct answer-an individual person or animal a researcher studies. Sample - correct answer-a collection of subjects researchers study. Researchers use samples because they cannot study the entire population. Population - correct answer-the collection of people or animals from which researchers draw a sample. Researchers study the sample and gener...

Statistics BEC1 Final Exam Questions and Answers Latest Updated Graded A+. A furniture manufacturer offers bookcases in 5 different sizes and 3 different colors. If every color is available in every size, then the total number of different bookcases is A.5 B.8 C.15 D.30 Answer Key: C Part 3 of 9 - 3.0/ 3.0 Points Question 4 of 25 1.0/ 1.0 Points Find the variance of the following probability distribution. X P(X) 1 0.10 2 0.35 3 0.10 4 0.15 5 0.30 A.1.44 B.2.06 C.1.76 D.1.2 A...

BCTC STATS EXAM 1 2024 WITH 100% CORRECT ANSWERS What is a voluntary response sample? - correct answer A sample in which the subjects themselves decide whether to be included in the study. Use common sense to determine whether the given event is either impossible, possible but very unlikely, or possible and likely. (New England beat Denver in a football game by a score of 140 to 100) - correct answer possible, but very unlikely In a study of a weight loss program, 45 subjects lost a...

Educ 750 Discussion Board Getting a Valid Sample in an Educational Setting

Statistics BEC1 Final Exam Questions and Answers Latest Updated Rated A+. A gumball machine contains 300 grape flavored balls, 400 cherry flavored balls, and 500 lemon flavored balls. What is the probability of getting 1 grape ball, 1 cherry ball, and 1 lemon ball if each ball was removed and then replaced before choosing the next from the machine? A.0.0264 B.0.0531 C.0.0347 D.0.0482 Answer Key: C Question 3 of 25 1.0/ 1.0 Points A furniture manufacturer offers bookcases in 5 different...

Evaluative Writing & Reviews Evaluative Essays (Reviews) Adapted from Capital Community College Probably one of the first essays you ever had to write was a book review of some kind. You probably gave a brief rundown of the book's characters, a summary of the plot, and then said how wonderful the book was (being careful not to reveal too much about the ending). The evaluative essay remains a valuable tool in your arsenal of composition patterns. Hopefully, your ability to say what you like a...

Purdue SOC 100 Exam 1 Study Guide Questions and Answers Rated A+ In everyday observation, we gather poor quality data and analyze it poorly. Name an example The way to treat hiccups Difference between inaccurate observation and selective observation? Inaccurate: failure to accuratley observe or pay attention to things in life Selective: paying attention to situations which support our own conclusion Why is it important to know the source of information you use to make decisions and form opini...

CPH Exam Practice Test Bank Prep_ Answered_2022. Many people do not attempt to decrease unhealthy behaviors such as overeating or smoking because they lack the confidence that they can successfully change. This is an example of: (A) Perceived susceptibility (B) Perceived severity (C) Perceived self-efficacy (D) Perceived response efficacy The construct of normative beliefs is from which model/theory? (A) Transtheoretical model (B) Theory of reasoned action/planned behavior (C) So...

PSYC 3020 Final Exam | Questions with Verified Answers A categorical variable can always be measured using a nominal scale (T/F) True In soccer, the team with the highest number of goals is categorized as the winner. The other team is categorized as the loser. What type of scale is this? Ordinal Consider political parties from left to right (One nation, Nationals, LNP, Labour, Greens. What type of scale is this? Ordinal Olympics (Gold, Silver, Bronze). What type of scale is this? Ordinal "As ...

Elementary Statistics- FINAL EXAM REVIEW Questions and Answers 100% Pass Which of the following represents data? A.Quiz scores from a college level statistics course. B.20% of the students in a math class make an A. C.A radio station announces the results of a contest. D.A local dentist creates a questionnaire to determine the quality of the care received during an office visit - ANSWER-A.Quiz scores from a college level statistics course. A research company performed a study of Machiav...