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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) |100% Guaranteed Pass $10.99   Add to cart

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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) |100% Guaranteed Pass

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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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  • 2021/2022
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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6)

(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?


Population: 500 at that concert: Sample: the 28% who found it too loud



Population: all concert goers; Sample: the 500 at that concert




Population: 500 at that concert; Sample: the 35 in the survey



Population: all concert goers; Sample: the 28% who found it too loud

See text page 3


Question 2
pts
(CO 1) A survey of 481 of your customers shows that 79% of them like the recent
changes to the product. Is this percentage a parameter or a statistic and why?


Parameter as it represents the population



Statistic as it represents the population



Parameter as it represents the sample




Statistic as it represents the sample

See text page 4

,Question 3
pts
(CO 1) Classify the data of the top grossing movies for 2017.



Qualitative



Classical



Quantitative



Statistics

See text page 9


Question 4
pts
(CO 1) The data set that lists the temperatures in Albany, NY each day in the month of
February would be classified as what type of data?


Ordinal




Ratio

Correct Answer

Interval



Nominal

, See text pages 10-11


Question 5
pts
(CO 1) A data set that includes the shows on a station during the day would be
classified as what type of data?


Ordinal




Ratio

Correct Answer

Nominal



Interval

See text pages 10-11


Question 6
pts
(CO 1) What type of data collection might be best to estimate whether a new medicine
is more effective in curing the common cold than aspirin?


Observational



Simulation



Survey

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