Math 221 week 1 quiz - Study guides, Class notes & Summaries
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MATH 302 Final Exam QUESTIONS & ANSWERS 2022 UPDATE - American University
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MATH 302 Final Exam QUESTIONS & ANSWERS 2022 UPDATE - American UniversityMATH 302 Final Exam 2022 - American University 
 
 
QUIZ 1 
 
 
Question 1 of 20	1.0/ 1.0 Points 
Which of the following statements are false regarding a boxplot? 
A.	The height of the box has no significance. 
B.	Boxplots can be used to either describe a single variable in a data set or to compare two (or more)variables 
 
C.	The length of the box equals the range of the data. 
 
D.	The right and left of the box are the t...
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MATH 221 Week 5 Quiz: Statistics for Decision-Making (100% CORRECT ANSWERS)
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MATH 221 Week 5 Quiz: Statistics for Decision-Making Question 1 2 / 2 pts (CO 4) Consider the following table: Age Group Frequency 18-29 983 30-39 784 40-49 686 50-59 632 60-69 54 1 70 and over 527 If you created the probability distribution for these data, what would be the probability of 40-49? 0.237 0.425 0.189 Correct! 0.165 Question 2 2 / 2 pts (CO 4) Consider the following table of hours worked by part-time employees. These employees must work in 5 hour blocks. Weekly hours worked Probabil...
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MATH 221 Week 1 Quiz
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1.	Question: (CO 1) A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample? 
2.	Question: (CO 1) A survey of all 35 employees at a small company finds that 89% of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? 
3.	Question: (CO 1) Classify the data of the heights of ladders produced by a tool company. 
4.	Question: (CO 1) The data set that lists the nu...
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Math 221 Week 1 Quiz Answers LATEST
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Math 221 Week 1 Quiz Answers LATEST 
Math 221 Week 1 Quiz Answers LATEST 
Math 221 Week 1 Quiz Answers LATEST
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MATH 221 Week 1 QUIZ
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MATH 221 Week 1 QUIZ
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Math 221 Week 1 Quiz Answers help questions and answers well elaborated
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Question 1 
2 / 2 pts 
A recent survey of the alumni of a university indicated that the average salary of 10,000 
of its 200,000 graduates was $130,000. The $130,000 would be considered a: 
Population 
Parameter 
Sample 
Statistic 
IncorrectQuestion 2 
0 / 2 pts 
A recent survey of the alumni of a university indicated that the average salary of 10,000 
of its 200,000 graduates was $130,000. The 10,000 would be considered a: 
Population 
Parameter 
Sample 
Statistic 
Question 3 
2 / 2 pts 
Based ...
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MATH 221 Week 1 Quiz (100% Correct Answers)
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MATH 221 Week 1 Quiz (100% Correct Answers)
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Exam (elaborations) MATH221 Graded week 7 quiz (MATH221)MATH 221 Week 7 Quiz
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(TCO 6) In the standard normal distribution, the standard deviation is always 
Student Answer:	 0 
 1 
 2 
 none of these 
 
 
 2.	Question :	(TCO 6) The area under a normal curve with mu = 8 and sigma = 3 is 
Student Answer:	 0 
 1 
 2 
 none of these 
 
 
 3.	Question :	(TCO 6) If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates? 
Student Answer:	 He is in the top 10%. 
 He is in the top 20%. 
 He is i...
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MATH 221 WEEK 1-4 Assignments|Quizes Collection Latest -2021
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MATH 221 Week 1 HW_QUIZ_MATH221 VII
MATH 221 Week 4 Homework-Statistics for Decision-Making
MATH 221 Week 3 QUIZ 2
MATH 221 Week 4 Quiz (100% Correct Answers)
MATH 221 Week 2 QUIZ
MATH 221 Week 1 QUIZ
MATH 221 Week 3 v.4.pdf
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MATH 221 WEEK 1-4 Assignments|Quizes Collection Latest -2021
- Package deal • 7 items • 2021
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- $23.49
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MATH 221 Week 1 HW_QUIZ_MATH221 VII
MATH 221 Week 4 Homework-Statistics for Decision-Making
MATH 221 Week 3 QUIZ 2
MATH 221 Week 4 Quiz (100% Correct Answers)
MATH 221 Week 2 QUIZ
MATH 221 Week 1 QUIZ
MATH 221 Week 3 v.4.pdf
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