MATH 221 Week 3 Quiz: Statistics for Decision-Making (v5) | Download for best GRADE
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Course
MATH 221
Institution
Devry University
MATH 221 Week 3 Quiz: Statistics for Decision-Making (v5) 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? Question: (CO 1) The measurements of 100 products from the assembly line show that 99% a...
math 221 week 3 quiz statistics for decision making v5 | download for best grade
question co 1 the measurements of 100 products from the assembly line show that 99 are correct is this percenta
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MATH 221
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MATH 221 Week 3 Quiz: Statistics for Decision-Making (v5)
Question 1
pts
(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?
Population: people who like sweaters; Sample: the 74% that had a wild holiday sweater
Correct Answer
Population: people who like wild sweaters; Sample: the 385 people who like wildsweaters
Population: people who like wild sweaters; Sample: the 74% that had a wild holidaysweater
Population: people who like wild sweaters: Sample: the 385 people who had a wildholiday
sweater
See text page 3
Question 2
pts
(CO 1) The measurements of 100 products from the assembly line show that 99% arecorrect. Is
this percentage a parameter or a statistic and why?
Statistic as it represents the population
Statistic as it represents the sample
Parameter as it represents the sample
,Parameter as it represents the populationSee
text page 4
Question 3
pts
(CO 1) Classify the data of the heights of ladders produced by a tool company.
Qualitative
Statistics
Quantitative
Classical
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?
Nominal
Ordinal
, Ratio
Interval
See text pages 10-11
Question 5
pts
(CO 1) A data set that includes the values given by customers to determine their level of
satisfaction with their purchases. The scale used is very satisfied, somewhat satisfied, somewhat
dissatisfied, and very dissatisfied. The data of the customer responses wouldbe classified as what
type of data?
Nominal
Ordinal
Interval
Ratio
See text pages 10-11
Question 6
pts
(CO 1) What type of data collection might be best to estimate the amount of timeindividuals spend
socializing?
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