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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) | Download To Score An A $10.99   Add to cart

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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) | Download To Score An A

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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) 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? Question: (CO 1) A survey of all 35 employees at a small company finds that 89% of them like the rec...

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  • July 19, 2022
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Week 3: Quiz: Statistics for Decision-Making - 60620




WEEK 3: QUIZ
Due Nov 18 at 11:59pm Questions 30
Available after Nov 26 at 9:47pm Time Limit 120 Minutes Allowed Attempts 3


Instructions
Here is some information about your quiz or exam.

This quiz covers Weeks 1 and 2, Chapters 1, 2 and 3, and Course Objectives (COs) 1, 2
and 3.
This quiz has 30 multiple choice questions worth 2 points each for a total value of 60
points.You have 120 minutes to finish this quiz.
When the time limit is reached you will be exited from the exam.

By submitting this work, I am attesting that it abides by the Student Honor Code.




https://devryu.instructure.com/courses/34277/quizzes/111228 1/19

, Week 3: Quiz: Statistics for Decision-Making - 60620




Question 1 pts

Top
(CO 1) A survey of 128 DeVry statistics students found that 83% read
the announcements each week. What is the population and what is the
sample?




https://devryu.instructure.com/courses/34277/quizzes/111228 2/19

, Week 3: Quiz: Statistics for Decision-Making - 60620


Correct Answer
Population: DeVry statistics students: Sample: 128 DeVry statistics
students



You Answered
Population: DeVry statistics students; Sample: the 83% that read the
announcements weekly




Population: all statistics students reading announcements weekly;
Sample: the 128 DeVry statistics students




Population: all statistics students; Sample: 128 DeVry statistics students




See text page 3




Question 2 pts


(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?




Parameter as it represents the sample


Parameter as it represents the population

Correct! Statistic as it represents the sample
Top

Statistic as it represents the population




https://devryu.instructure.com/courses/34277/quizzes/111228 3/19

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