Boxplot Study guides, Class notes & Summaries
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Statistics final wgu academy exam questions and answers
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Statistics final wgu academy exam questions and answers 
Categorical variables that there is no natural order among the categories 
nominal variables 
 
 
Categorical variables where there is natural order among the categories (low-high) 
ordinal variable 
 
 
A measurement which makes sense to talk about the difference between values but not the ratio between values 
interval 
 
 
Quantitive variables where is makes sense to talk about the difference in ratios. (Income, weight) 
ratio 
 
 
Valu...
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Probability and Statistics, WGU C955 | 51 Questions and answers with 100% correct solutions | Graded A+
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Boxplot an image that has min, Q1, median, Q3, max 
Histogram A graphical representation -- bars, measuring the frequency within each interval 
Skewed right Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right 
Measures of center Median, the mean (and mode) 
Measures of spread Range, IQR & standard deviation 
Standard Deviation Rule 68% of the data are within 1 standard deviation, 95% are within 2, 99.7 are 
within 3 standard deviations from the mean. 
For skewed...
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Lean Six Sigma Yellow Belt Questions & Answers 100% Correct
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Solutions are implemented in which stage of DMAIC? - ANSWERImprove and Control 
 
What does DMAIC stand for? - ANSWERDefine, Measure, Analyze, Improve, Control 
 
pareto chart - ANSWERcategorical x vs categorical y 
 
run chart - ANSWERcontinuous y vs time 
 
boxplot - ANSWERcontinuous y vs categorical x 
 
scatter plot - ANSWERcontinuous y vs continuous x 
 
what information does a dotplot provide? - ANSWERthe spread of the data 
 
spaghetti diagrams - ANSWERvisual representation of the work un...
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Stat 500 MIDTERM EXAM QUESTIONS AND CORRECT ANSWERS 2023.
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Stat 500 MIDTERM EXAM 
QUESTIONS AND CORRECT 
ANSWERS 2023. 
Name:_ SOLUTIONS 
(8 questions) YOU HAVE 3 HOURS TO COMPLETE THIS. 
Show all work. Just showing answer without calculations may result in a zero for that 
question. 
1. A water-heater manufacturer guarantees the electric heating element for a period of 
five years. The lifetimes, in months, for a sample of 10 such elements are as follows. 
49.3 79.3 186.4 68.4 62.6 
65.1 53.2 32.3 40.1 29.3 
A. (10 points) Using the methods we learned ...
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Seeing Through Statistics 4th Edition by Utts - Test Bank
- Exam (elaborations) • 196 pages • 2023
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CHAPTER 3 
MEASUREMENTS, MISTAKES, AND MISUNDERSTANDINGS 
SECTION 3.1 
SIMPLE MEASURES DON’T EXIST 
FREE RESPONSE QUESTIONS 
1. Explain why even the simplest kind of measurement, such as finding your height, still presents complicated issues. 
ANSWER: ANY REASONABLE ANSWER OK. EXAMPLES: THE ACCURACY OF YOUR MEASUREMENT DEPENDS ON YOUR MEASUREMENT TOOL; HOW TALL YOU STAND WHEN YOU MEASURE; WHETHER OR NOT YOU WEAR SHOES, ETC. 
2. Describe one of the issues that you would need to think about when...
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Information_Visualization_Week5_NEC_Solved
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Experiment with the gapminder data to practice some of the new geoms we have learned. Try examining population or life expectancy over time using a series of boxplots. (Hint: you may need to use the group aesthetic in the aes() call.) Can you facet this boxplot by continent? Is anything different if you create a tibble from gapminder that explicitly groups the data by year and continent first, and then create your plots with that? Comment your code line by line. Explain what your charts are show...
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Building_Layered_Visualizations_VisualAnalytics_Week6_NEC_Solved
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1.	get the structure of the gss_sm dataframe. What is the data type of race, sex, region and income? What do the levels refer to? 
2.	create a graph that shows a count of religious preferences grouped by region 
3.	turn the region counts in percentages 
4.	use dodge2() to put the religious affiliations side by side within regions 
5.	show the religious preferences by region, faceted version with the coordinate system swapped 
6.	using pipes show a 10 random instances of the first six columns in...
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Statistics final wgu academy exam questions and answers
- Exam (elaborations) • 7 pages • 2024
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Statistics final wgu academy exam 
questions and answers 
Categorical variables that there is no natural order among the categories - Answer- 
nominal variables 
Categorical variables where there is natural order among the categories (low-high) - 
Answer- ordinal variable 
A measurement which makes sense to talk about the difference between values but not 
the ratio between values - Answer- interval 
Quantitive variables where is makes sense to talk about the difference in ratios. 
(Income, weig...
-
Statistics final wgu academy exam questions and answers
- Exam (elaborations) • 7 pages • 2024
- Available in package deal
-
- $11.49
- + learn more
Statistics final wgu academy exam 
questions and answers 
Categorical variables that there is no natural order among the categories - Answer- 
nominal variables 
Categorical variables where there is natural order among the categories (low-high) - 
Answer- ordinal variable 
A measurement which makes sense to talk about the difference between values but not 
the ratio between values - Answer- interval 
Quantitive variables where is makes sense to talk about the difference in ratios. 
(Income, weig...
-
WGU Intro to Probability and Statistics Questions & Answers 100% Correct!!
- Exam (elaborations) • 11 pages • 2023
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Population - ANSWER-The entire group that is the target of interest, not just people. Eg, "the population of 1 bedroom apartments" 
 
Sample - ANSWER-A subgroup of the population. Eg, "the 1 bedroom apartments with dishwashers." 
 
Steps in the statistics process - ANSWER-1. PRODUCE DATA (by studying a sample of the population) 
2. EXPLORATORY DATA ANALYSIS (Summarize data.) 
3. PROBABILITY ANALYSIS (Determine how the sample may differ from the population.) 
4. INFERENCE (draw conclusions) 
...
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