Stat 250 gmu exam 1 - Study guides, Class notes & Summaries
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STAT 250 GMU EXAM 1 QUESTIONS AND ANSWERS 100% PASS
- Exam (elaborations) • 14 pages • 2024
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STAT 250 GMU EXAM 1 QUESTIONS 
AND ANSWERS 100% PASS 
 
2 main components of categorical distribution -Mode (typical/ most frequent outcome) 
-Variability (or diversity in outcomes) 
 
Appropriate graphs for Categorical data -Pie chart 
-Bar graph 
 
Appropriate graphs for Numerical data -Dotplot 
-Histogram 
-Stemplot 
 
Appropriate measures of center & spread for SKEWED distributions Center- Median 
Spread- Interquartile Range 
 
(The median is not affected by outliers and its value doess not ...
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STAT 250 GMU EXAM 1 WITH SOLUTION
- Exam (elaborations) • 22 pages • 2024
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STAT 250 GMU EXAM 1 WITH SOLUTION...
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STAT 250 GMU EXAM 1 QUESTIONS AND ANSWERS
- Exam (elaborations) • 10 pages • 2024
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STAT 250 GMU EXAM 1 QUESTIONS AND ANSWERS 
Distribution - Correct Answer️️ -Any collection of data will have variation within the 
data. 
Three main components of NUMERICAL distribution - Correct Answer️️ -Shape 
(symmetric, skewed left/right, modes) 
Center (typical value) 
Variability (horizontal spread) 
Two steps when you examine distribution - Correct Answer️️ -visualize the data, then 
summarize the data. 
Dotplots Advantages & Disadvantages (2 each) - Correct Answer️️ -Adv...
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