Iqr Samenvattingen, Aantekeningen en Examens

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...

Solution Manual for Essentials of Modern Business Statistics withMicrosoft® Excel®,Anderson Chapter 1 Data and Statistics Learning Objectives 1. Obtain an appreciation for the breadth of statistical applications in business and economics. 2. Understand the meaning of the terms elements, variables, and observations as they are used in statistics. 3. Obtain an understanding of the difference between categorical, quantitative, crossectional and time series data. 4. Learn about the sou...

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...

Samenvatting over de Hoofdstukken 1 t/m 5 van het boek Introduction to the practice of Statistics (Moore & McCabe 10e editie) In deze samenvatting word alle stof voor het tentamen van statistiek 1a behandeld voor 1e jaars studenten van Psychologie aan de Rijksuniversiteit Groningen. De samenvatting is geschreven op Goodnotes en bevat afbeeldingen ter toelichting van de formules/technieken.

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...

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...

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...

Categorical Data correct answer: Assigns a unique value for each case, used to name or identify it Quantitative Data correct answer: A variable in which the numbers act as a numerical value, always have units Stem and leaf plot correct answer: Shows quantitative data values in a way that sketches the distribution of the data Ogive correct answer: a graph that represents the cumulative frequencies for the classes in a frequency distribution Histogram correct answer: Bar graphing ...