Standard deviation rule - Study guides, Class notes & Summaries

Straighterline Business Stats Questions and Answers 100% Pass A marketing class of 50 students evaluated the instructor using the following scale: superior, good, average, poor, and inferior. The descriptive summary showed the following survey results: 2% superior, 8% good, 45% average, 45% poor, and 0% inferior. Most students rated the instructor as poor or average. The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called ____________. S...

WGU C955 Formulas and Terms (Latest 2023/ 2024 Update) Applied Probability and Statistics | Questions and Verified Answers| 100% Correct Q: Simpsons Paradox A counterintuitive situation that occurs when a result that appears in individual groups of data disappears or reverses when the groups are combined. Can only occur when the sizes of the groups are inconsistent Q: Lurking Variables : Answer: • A lurking variable is a variable not included in the study, but affects the varia...

CAPM Test Bank with 100% Correct Solutions. 5 process groups ️ Initiating Planning Executing Monitoring and Controlling Closing Ten knowledge areas ️ Integration Scope Time Cost Quality HR Communications Risk Procurement Stakeholder management total float formula ️ total float = late finish - early finish normal distribution ️ bell curve - symmetrical distribution - 50% chance of falling below the mean and 50% chance of falling above the mean (1sigma=68.27%. 2sigma = ...

QMB 3200 Test 1 Questions and Answers Already Passed What is the z score formula? (the observation - mean) / standard deviation What does a z score tell us? how many standard deviations a value of from the mean How do you find the range? biggest value minus smallest value What is the formula used in excel to find the range? =max(array) - min (array) If a data set has an odd number of observations, the median a. Cannot be determined b. is the value of the middle item when all ...

A strong open followed by strong close will allow trader to do what? - Answer Buy on a pullback after next open. A weak close after strong open will allow trader to do what? - Answer Sell short near following open Highs and lows occur where during the day? - Answer Most often at the open Large opening gaps imply what about the day? - Answer Greater volatility Pivot point calculation - Answer P = (H+L+C)/3 R1 = 2P-L S1 = 2P-H R2 = (P-S1)+R1 S2 = P-(R1-S1) Weaknesses of Candlest...

Math 202 : Probability and Statistics Final Test Prep, Probability and Statistics Final Test Prep | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Statistical Significance When your discovered p-value is less than your alpha (.05 if not given). States that chance alone would rarely produce an equally extreme result. Non-Response Bias A bias caused by a number of people who did not respond to the survey. p-ValueThe probability of getting a result at least as extr...

Straighterline MAT150 Business Statistics Graded Exam 3 (New Version August 2024) Graded 100% We are a team of experts offering course/class attendance (including final proctored exams!!) for all Straighterline, Online ATI, HESI, NCLEX, Portage Learning, Sophia, Nursing, Business etc courses. We also write essays, discussion posts, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (540) 753-5914. Guaranteed Passing! Question 1 Co...

99.7 Rule Rule, or Empirical Rule [1] In statistics, the 68-95-99.7 rule or three-sigma rule, or empirical rule — states that for a normal distribution, nearly all values lie within 3 standard deviations of the mean. This rule is often used to quickly get a rough probability estimate of something, given its standard deviation, if the population is assumed normal, thus also as a simple test for outliers (if the population is assumed normal), and as a normality test (if the population is...

WGU C722 FINAL EXAM!! Q&A – PROJECT MANAGEMENT (Guaranteed Score A+) Three essential drivers that must be achieved to generate positive characteristics in project teams *** Cohesiveness, Trust, Motivation The five stages Dr. Bruce Tuckman (1965) introduced of group development *** Forming, Storming, Norming, Performing, Adjorning Forming *** In this stage, team members may be meeting for the first time. Often, no one really knows much about anyone else on the team. It may be prematur...

WGU C207 OA 2023. By quantifying risk - Answer In what way does probability theory inform decision-making for managers? Ordinal data - Answer Which type of data are the Olympic medals of gold, silver, and bronze examples of? It reduces the amount of incomplete data. It cleans data. - Answer What are some of the aspects of data quality management? Choose 2 answers Missing data Misspelled data - Answer Which two attributes indicate potential data quality issues when evaluating a set of no...