Math221 week 3 quiz - Study guides, Class notes & Summaries
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MATH221/ MATH 221 Week 3 quiz Summer 2022 DeVry University, Keller Graduate School of Management.
- Exam (elaborations) • 69 pages • 2021
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Question 1 2 / 2 pts Let x represent the number of cars in a parking lot. This would be considered what type of variable: Homework Help: 3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) Lagging Continuous NonsensicalCorrect! Discrete Question 2 2 / 2 pts Let x represent the number of players on a sports field. This would be considered what type of variable: Homework Help: 3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) Correct! Discrete ...
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DeVry University, Keller Graduate School of Management >MATH221/ MATH 221 Week 3 quiz Summer 2022.
- Exam (elaborations) • 69 pages • 2021
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Question 1 
2 / 2 pts 
Let x represent the number of cars in a parking lot. This would be considered what type 
of variable: 
Homework Help: 
3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) 
Lagging 
Continuous 
NonsensicalCorrect! 
Discrete 
Question 2 
2 / 2 pts 
Let x represent the number of players on a sports field. This would be considered what 
type of variable: 
Homework Help: 
3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) 
Co...
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MATH221/ MATH 221 Week 3 quiz Summer 2022 DeVry University, Keller Graduate School of Management.
- Exam (elaborations) • 69 pages • 2021
-
- $14.49
- + learn more
Question 1 2 / 2 pts Let x represent the number of cars in a parking lot. This would be considered what type of variable: Homework Help: 3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) Lagging Continuous NonsensicalCorrect! Discrete Question 2 2 / 2 pts Let x represent the number of players on a sports field. This would be considered what type of variable: Homework Help: 3DA. Discrete versus continuous variables (Links to an external site.) (DOCX) Correct! Discrete ...
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Exam (elaborations) MATH221 Graded week 7 quiz (MATH221)MATH 221 Week 7 Quiz
- Exam (elaborations) • 4 pages • 2022
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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 3 Quiz
- Exam (elaborations) • 22 pages • 2021
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1.	Question: (CO 1) Among 500 people at the concert, a survey of 35 found 28% found it too loud. What is the population and what is the sample? 
2.	Question: (CO 1) In asking all 349 second graders in a school district, it is found that on average, these second graders have 2.5 pets. Is this number a parameter or a statistic and why? 
3.	Question: (CO 1) Classify the data of all the political parties in the world. 
4.	Question: (CO 1) The data set that lists the temperatures in Albany, NY each d...
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MATH 221 Week 3 Quiz
- Exam (elaborations) • 13 pages • 2021
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1.	Question: (CO 3) Consider the following table: 
If you created the probability distribution for these data, what would be the probability of 50-59? 
2.	Question: (CO 3) Consider the following table of hours worked by part- time employees. These employees must work in 5 hourblocks. Find the mean of this variable. 
3.	Question: (CO 3) Consider the following table: Find the variance of this variable. 
4.	Question: (CO 3) Consider the following table: Find the standard deviation of this variable...
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MATH 221 Week 3 Quiz
- Exam (elaborations) • 25 pages • 2021
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1.	Question: A survey of 128 DeVry statistics students found that 83% read the announcements each week. What is the population and what is the sample? 
2.	Question: In asking all 359 second graders in a school district, it is found that on average, these second graders have 2.5 pets. Is this number a parameter or a statistic and why? 
3.	Question: (CO 1) Classify the data of the top grossing movies for 2017: 
4.	Question: (CO 1) The data that lists the temperature in Albany, NY each day in the m...
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MATH 221 Week 3 Quiz
- Exam (elaborations) • 21 pages • 2021
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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) The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a parameter or a statistic and why? 
3.	Question: (CO 1) Classify the data of the number of customers at a restaurant. 
4.	Question: (CO 1) The data set that lists the temperatures in Albany, NY each day in the month of F...
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MATH 221 Week 3 Quiz
- Exam (elaborations) • 19 pages • 2021
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1.	Question: (CO 1) Among 500 people at the concert, a survey of 35 found 28% found it too loud. 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 number of customers at a restaurant. 
4.	Question: (CO 1) The data set that lists a company’s competitors an...
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MATH 221 Week 3 Quiz
- Exam (elaborations) • 19 pages • 2021
-
- $25.49
- + learn more
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) The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a parameter or a statistic and why? 
3.	Question: (CO 1) Classify the data of the number of customers at a restaurant. 
4.	Question: (CO 1) The data set that lists the runs scored at each of the weekend’s baseball games...
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