Iqr Study guides, Class notes & Summaries

PEARSON EDEXCEL LEVEL 3 GCE MATHEMATICS ADVANCED SUBSIDIARY PAPER 2: STATIATICS AND MECHANICS APPROVED 2024 EXAM WITH ACCURATE QUESTIONS AND ANSWERS. (100% COMPLETE EXAM) VERIFIED MARKINGSCHEME ( CHECK SECTION 2) Candidates may use any calculator permitted by Pearson regulations. Calculators must not have the facility for algebraic manipulation, differentiation and integration, or have retrievable mathematical formulae stored in them. ...

WGU C784 Applied Healthcare Statistics Exam (New 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A QUESTION How do you find the IQR of data? Answer: IQR (interquartile range) is the distance (difference) between Q3 and Q1 (so Q3-Q1) QUESTION What is in a 5-number summary? Answer: min, Q1, median, Q3, max QUESTION What percentage is a standard deviation of 1? Answer: 68% QUESTION What percentage is a standard deviation...

Straighterline Introduction to Statistics questions with complete solutions 2023Four steps in the process of statistics 1. Producing Data 2. Exploratory Data Analysis 3. Probability 4. Inference Categorical variable places individuals into one of several groups Two types: nominal and ordinal Quantitative Variable represents a measurement or a count Two types: Interval and ratio Nominal Variable categorical variables where there is no natural order among the categori...

WGU C784 Applied Healthcare Statistics Exam Review (New 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A QUESTION Must know these conversions- Answer: 1Kg - 2.2lb 1000 mcg = 1 mg 1000 mg = 1 g 1000 g = 1 kg QUESTION Know this conversion temperature Celsius to Fahrenheit and vice versa Answer: C = (F-32) / 1.8 F = (C x 1.8) + 32 QUESTION IS in math means = OF in Math mean Multiply (x) Answer: KNOW THIS QUESTION SL...

Marginal Distribution correct answer: The distribution of values of a variable among all individuals described by the table. (Percent of something out of the total) Conditional Distribution correct answer: The distribution of values of a variable among individuals who have a specific value of another variable. (Percent of a specific something out of that specific total) Association correct answer: When specific values of one variable tend to occur in common with specific values of anoth...

How to describe a 1-variable distribution correct answer: SOCS + context Ways to describe the shape of a distribution (S) correct answer: Symmetric = balanced on both sides of the center Skewed right = tail (part with less stuff) is located to the right of the center Skewed left = tail is located to the left of the center When describing this part of a distribution, always use -ly words in your description (fairly, slightly, strongly, appropriately, etc.) Outlier Formula (3rd Qu...

To describe categorical data... correct answer: Make a picture. Bar graphs or pie charts work well. Summarize the distribution with a table of counts or relative frequencies (percents) in each category. Compare distributions with plots side by side. Interpret Standard Deviation correct answer: Standard deviation measures spread by giving the "typical" or "average" distance that the observations (context) are away from their (context) mean. Outlier Rule correct answer: Upper Bound ...

Is mean resistant to outliers? correct answer: No, non-resistant Is median resistant to outliers? correct answer: Yes, resistant Is standard deviation resistant to outliers? correct answer: No, non-resistant What is included in the 5-number summary? correct answer: min, Q1, med, Q3, max IQR equation correct answer: IQR = Q3 - Q1 Which point divides the area under the density curve in half? correct answer: median Which point is the balance point of the density curve? corre...

UGBA 104 Midterm Exam Questions and Answers 100% Verified calculate outliers IQR method - CORRECT ANSWER-IQR below; Q1 - 1.5 * IQR IQR above; Q3 + 1.5 * IQR how to calculate percentiles - CORRECT ANSWER-percentile (L) = (n+1) * P/100 calculate z score outlier - CORRECT ANSWER-(value-mean)/SD rule of thumb for z score outlier - CORRECT ANSWER-above or below 3 SDs away which outlier method is more lenient - CORRECT ANSWER-z score, it goes further from mean than the IQR method ie the IQR...

WGU C955 - Module 4: Descriptive Statistics for a Single Variable, Top Exam Questions and answers, graded A+ If 200 people are surveyed, how many claim to have had no exercise? {{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} a 18 b 36 c 72 d Cannot determine - -72 Determine the range for the following data set. {1,24,26,28,32,36...