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14 questions
_________ consist of information coming from observations, counts, measurements, or responses.
Statistics
Data
Population
Sample
__________ is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
Statistics
Data
Population
Sample
Determine whether the data set is a population of a sample:
The amount of energy collected from every wind turbine on a wind farm.
Population
Sample
Determine whether the data set is a population of a sample:
The cholesterol levels of 20 patients in a hospital with 100 patients.
Population
Sample
Identify the population and the sample:
The average annual salary for 35 of a company's 1200 accountants is $68,000.
Population: 1200
Sample: $68,000
Population: 35
Sample: 1200
Population: 1200
Sample: 35
Population: $68,000
Sample: 1200
Determine whether the numerical value is a parameter or statistic:
A survey of 2514 college board members found that 38% think that higher education costs what it should relative to its value.
Parameter
Statistic
Determine whether the numerical value is a parameter or statistic:
Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.
Parameter
Statistic
In a survey of 1046 adults conducted by Bradley Corp, subjects were asked how often they wash their hands when using a public restroom, and 70% of the respondents said "always". Identify the sample & population.
Sample: the 1046 adults surveyed
Population: the 70% that said "always"
Sample: the 1046 adults surveyed
Population: all adults
Sample: all adults
Population: the 1046 adults surveyed
Sample: the 70% that said "always"
Population: all adults
A poll was conducted in which 1000 adults were asked if they prefer bottled water or tap water, and 57% of them said they prefer bottled water. In this scenario, the 57% is a _____.
population
sample
parameter
statistic
There are 17,246,372 high school students in the U.S. In a study of 8505 U.S. high school students 16 years of age or older, 44.5% of them said they texted while driving at least once in the past 30 days. Which of the following represents the sample?
the 17,246,372 high school students in the U.S.
the 8505 U.S. high school students 16 years of age or older
the 44.5% who said they texted while driving
the past 30 days
Suppose a survey of 584 women in the U.S. found that more than 65% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics?
There is an association between U.S. women and being the primary investor in their household.
There is an association between the 584 women and being the primary investor in their household.
65% of women in the sample are the primary investor in their household.
584 women were surveyed
Suppose a survey of 584 women in the U.S. found that more than 65% are the primary investor in their household. Choose the best inference.
There is an association between U.S. women and being the primary investor in their household.
There is an association between the 584 women and being the primary investor in their household.
65% of women in the sample are the primary investor in their household.
584 women were surveyed
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