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...
math 221 week 3 quiz statistics for decision making v6 |100 guaranteed pass
question co 2 you are selling your product at a three day event each day
there is a 60 chance that you will make m
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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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