Boxplot Study guides, Class notes & Summaries
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MATH302 Week 2 Test
- Exam (elaborations) • 19 pages • 2023
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1.	Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 
2.	Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...
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Introduction to Statistics Notes Latest Verified Review 2023 Practice Questions and Answers for Exam Preparation, 100% Correct with Explanations, Highly Recommended, Download to Score A+
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Introduction to Statistics Notes Latest Verified Review 2023 Practice Questions and Answers for Exam Preparation, 100% Correct with Explanations, Highly Recommended, Download to Score A+ 
Covers basic graphs and descriptive statistics for both categorical and quantitative variables 
This is what you would do as a “preliminary analysis” for a variable. 
 
Recall: a data set can have multiple variables in it. 
 
These chapters focus on mostly univariate (single variable) analyses. There is on...
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WGU C955 PROBABILITY AND STATISTICS EXAM / 50 QUESTIONS AND 100% CORRECT ANSWERS LATEST GUIDE 2024.
- Exam (elaborations) • 6 pages • 2023
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WGU C955 PROBABILITY AND 
STATISTICS EXAM / 50 
QUESTIONS AND 100% CORRECT 
ANSWERS LATEST GUIDE 2024. 
2 / 6 
1. Boxplot: an image that has min, Q1, median, Q3, max 
2. Histogram: A graphical representation -- bars, measuring the frequency within each interval 
3. Skewed right: Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right 
4. Measures of center: Median, the mean (and mode) 
5. Measures of spread: Range, IQR & standard deviation 
6. Standard Deviation Rul...
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MATH302 Week 2 Test
- Exam (elaborations) • 19 pages • 2023
-
- $29.49
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1.	Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 
2.	Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...
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Probability and Statistics, WGU C955 Questions & Answers (Graded A)
- Exam (elaborations) • 4 pages • 2023
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Probability and Statistics, WGU C955 Questions & Answers (Graded A) 
 
 
Boxplot - ANSWER-an image that has min, Q1, median, Q3, max 
 
Histogram - ANSWER-A graphical representation -- bars, measuring the frequency within each interval 
 
Skewed right - ANSWER-Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right 
 
Measures of center - ANSWER-Median, the mean (and mode) 
 
Measures of spread - ANSWER-Range, IQR & standard deviation 
 
Standard Deviation Rule - AN...
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MATH 302| STATISTICS| MIDTERM EXAM WITH CORRECT ANSWERS 2024| GRADED A
- Exam (elaborations) • 10 pages • 2024
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MATH 302| STATISTICS| MIDTERM EXAM 
WITH CORRECT ANSWERS 2024| GRADED A 
Part 1 of 9 - 
Question 1 of 25 
1.0 Points 
For a boxplot, the vertical line inside the box indicates the location of the 
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A. mean 
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B. median 
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C. inter quartile range 
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D. mode 
Part 2 of 9 -
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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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Stat 500 MIDTERM EXAM QUESTIONS AND CORRECT ANSWERS 2023.
- Exam (elaborations) • 6 pages • 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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Probability and Statistics, WGU C955 | 51 Questions and answers with 100% correct solutions | Graded A+
- Exam (elaborations) • 6 pages • 2024
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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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Information_Visualization_Week5_NEC_Solved
- Exam (elaborations) • 9 pages • 2023
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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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