Inferential stats - Study guides, Class notes & Summaries

Stats Hypothesis Test Correctly Answered 2024. A hypothesis test is _____. - CORRECT ANSWER an inferential technique that uses the data from a sample to draw inferences about a population The null hypothesis _____. - CORRECT ANSWER states that the treatment has no effect A z-score that is used for hypothesis testing is also called a _____. - CORRECT ANSWER test statistic The numerator of the z-score test statistic measures _____. - CORRECT ANSWER the actual distance between M and m...

Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: how many exams you have th...

STATS 315 Final Exam | Questions and Answers Which of the following statements are true? A: Operationalizing variables is a way to overcome measurement error B: Self-esteem is a psychological construct C: Only operationalized variables involve measurement error D: All variables of interest in psychology involve psychological constructs E: Marathon finishing time is not a psychological construct F: Height is not a valid measure of intelligence G: Measurement error only results from sloppy measu...

COM 408 Exam 1 | questions and answers | 2023/24 Descriptive Stats - summarize, organize (i.e., describe) a set of scores or observations Examples: GPA, Median Household Income, How Many Likes Your Birthday Post Got on Instagram, Your Rider Rating on Uber Inferential Stats - Generalizing what we see happening in a sample to the larger population from which the sample was selected. Based on a sample of 300 students from two different universities, is one university's student pop...

between-subjects design - ANS an experimental design where an independent variable is manipulated across separate groups of participants. each participant takes part in only one of the conditions. ex: testing effects of caffeine on alertness (those who drank coffee and those who didnt) blinding - ANS when participants dont know whethter they belong to the experimental or control group, or which treatment they are receiving (comparing effect of drinking caf or decaf coffee ...

Psychology 1010 exam 1 chapters 1-3 Psychology - Answer-the scientific study of thought and behavior Wilhelm Wundt - Answer-opened the first psychology laboratory in Germany, 1879 examined in detail the relationship between physiology and psychology Francis Galton - Answer-did not indetify as a psycologist cousin of Charles Darwin interest in individual differences, giftedness, and the influence of heredity pioneering statistician championed the eugenics movement Edward Titchener - Answ...

Used to describe and synthesize data - describes the population and study/data Correct Answer What is the use of descriptive analysis? Qualitative and quantitative - qualitative Correct Answer Name the two types of research in descriptive stats: - which one is usually used? limited to numbers and percentages numbers, percentages, and simple analysis (mean, median and mode) Correct Answer Describe the use of qualitative research in DS: Describe the use of quantitative use: u...

COB 191 final 2023 Exam Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: ...

COB 191 final 2023 Exam Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: ...

This is 2/2 of my EXTENSIVE notes for Test 2 for the pre-master course Inferential Statistics on the University of Twente. With these notes, and the first part, you have a good knowledge to pass the second exam. I passed my exam with a 7.4! These notes consists of lectures 11 - 13. For lectures 8 - 10 & Chapter 23, I refer you to my first notes.