Question 1
2 / 2 pts
(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?
Population: DeVry statistics students; Sample: the 83% that read the announcements weekly
Population: all statistics...
Question 1
pts
(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?
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
Correct!
Population: DeVry statistics students: Sample: 128 DeVry statistics students
See text page 3
Question 2
pts
(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?
Correct!
Parameter as it represents the population
Statistic as it represents the sample
Statistic as it represents the population
Parameter as it represents the sample
,See text page 4
Question 3
pts
(CO 1) Classify the data of all the political parties in the world.
Quantitative
Correct!
Qualitative
Statistics
Classical
See text page 9
Question 4
pts
(CO 1) The data set that lists a company’s competitors and their locations would be
classified as what type of data?
Correct!
Nominal
Ordinal
Interval
, Ratio
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?
Correct!
Nominal
Ratio
Ordinal
Interval
See text pages 10-11
Question 6
pts
(CO 1) What type of data collection might be best to estimate the amount of time
individuals spend socializing?
Survey
Experiment
Correct!
Observational
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