The statistical tests m - Study guides, Class notes & Summaries

CFA Level 1 - 101 Must Knows 368 Questions with Verified Answers Addition Rule of Probability - CORRECT ANSWER ADDITION: P(A or B) = P(A) + P(B) - P(AB) Roy's Safety First Criterion - CORRECT ANSWER Safety First Ratio = (E(R) - Rₜ) / σ Larger ratio is better If (Rₜ) is risk free rate, then it becomes Sharpe Ratio Sharpe Ratio - CORRECT ANSWER Sharpe Ratio = (E(R) - RFR) / σ Larger ratio is better If (Rt) is higher than RFR, then it becomes Safety First Ratio Centra...

Descriptive statistics Inferential statistics - __ are used to synthesize and describe data. It allows us to draw conclusions from the use of graphs, charts, and so on. __are used to make inferences about the population based on sample data. It allows us to say whether difference is significant. They infer or draw a conclusion, based on laws of probability. Mode Median--doesnt take into consideration outliers Mean - Differential: The __ is the number that occurs most fq in distribution. ...

Hypothesis Procedure - 1. Hypothesis 2. Level of Sig 3. Subjects & Data 4. Statistical Method 5. Fail to reject/reject null Hypothesis - null research (alternative) Level of Sig - p<0.05 Statistical Method - -excel gives you R-value (pearson correlation) -find degrees of freedom (npairs-2) -find critical correlation value -finally, compare R-value (absolute value) and critical value |R|>critical value - statistically significant correlation -if R is positive it's direct/vice ...

CRC Study Guide Exam Questions and Answers 100% Verified How well a test measures what it claims to measure is? - answerValidity What measurement concept relates to consistency, dependability and repeatability of a test? - answerReliability What scale has equal units of measurement with no absolute zero? - answerInterval Example: Fahrenheit Scale List the 4 levels of measurement? - answerNominal, Ordinal, Interval and Ratio Most psychological test are based on what 2 scales? - answerOrdi...

TEST BANK For Introduction to Statistical Investigations, 2nd Edition by Nathan Tintle; Beth L. Chance ||All Verified Chapters (1 - 11) | Newest Version 2024 A+ TB Introduction To Statistical Investigationsb 2nd Edition Beth L.Chance Chapter 1 Introduction to Statistical Investigations Test Bank Note: TE = Text entry TE-N = Text entry - Numeric Ma = Matching MS = Multiple select MC = Multiple choice TF = True-False E = Easy, M = Medium, H = Hard CHAPTER 1 LEARNING OBJECTIVES CLO1-1: Use the chan...

PSYC 515 SPSS M1 REVIEW SPSS WORKSHEET INSTRUCTIONS Answered 2024/2025 Verified . HOMEWORK: REVIEW SPSS WORKSHEET INSTRUCTIONS OVERVIEW This worksheet is designed to assess your ability to perform, interpret, report, and graphically represent the following statistical tests using SPSS and standard reporting conventions as covered in this course: correlations, regression, independent samples t tests, and correlated groups t tests. These are standard tests in our field and are foundational ...

PSYC 515 SPSS M1 REVIEW SPSS WORKSHEET INSTRUCTIONS Answered 2023. HOMEWORK: REVIEW SPSS WORKSHEET INSTRUCTIONS OVERVIEW This worksheet is designed to assess your ability to perform, interpret, report, and graphically represent the following statistical tests using SPSS and standard reporting conventions as covered in this course: correlations, regression, independent samples t tests, and correlated groups t tests. These are standard tests in our field and are foundational to the more sop...

CALT Exam Prep Quiz Questions and Answers Strephosymbolia - Correct Answermeans twisted symbols. The first term Orton used for dyslexia. phonetics - Correct Answerthe study of speech sounds in spoken language phonological awareness - Correct Answerthe ability to focus on units of sound in spoken language at the sentence, word, syllable and phoneme levels phonemic awareness - Correct Answerawareness of speech sounds or phonemes in spoken words phonics - Correct Answerinstruction...

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 ...

CHAPTER 3 Vive La Différence: Understanding Variability Part I. Multiple-Choice Questions (20 items) 1. The average and which of the following can be used to describe the characteristics of a distribution and show how distributions differ from one another? a. mode b. median c. variability d. sum Ans: c 2. Variability is a measure of how much each score in a group of scores differs from the what? a. mode b. median c. variability d. mean Ans: d 3. The three meas...