แผ่นงานPopulation Vs Sample
คำถามทั้งหมด: 20
What is a smaller, representative group drawn from a population?
unit
sample
parameter
statistic
The characteristic used to describe a sample
parameter
statistic
population
census
The entire set of items (who or what) from which data can be selected
survey
parameter
population
sample
The characteristic used to describe the entire population
statistic
parameter
census
data
Parameter or Statistic?
According to Ms. Carey’s survey of the students in her class, 50% of her students have at least one dog.
Parameter
Statistic
Parameter or Statistic?
A local journal conducted a survey. Of the 1800 subscribers, 1354 responded. Based on the survey, the journal concludes that 75% of subscribers will renew their subscriptions next year.
Parameter
Statistic
A gaming website wanted to find out which console its visitors owned. Which choice BEST represents the population in this situation?
Visitors with an 'e' in their user name.
Visitors to the 3DS section.
Visitors over 22.
All the website visitors.
Population or Sample?
A survey of 1353 American households found that 18% of the households own a computer.
Population
Sample
Population or Sample?
The average weight of every person entering the mall within 3 hour period was 146 lb.
Population
Sample
Population or Sample?
All of the teachers in a school are surveyed on their meeting time preferences.
Population
Sample
Population or Sample?
Every fifth customer exiting a restaurant is surveyed on how well they liked the food.
Population
Sample
Surveyors in a mall choose shoppers to ask about products they prefer.
What would be the sample in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.
the surveyors
all shoppers in the mall
the shoppers who were asked their preferences
A researcher selects a ________ and uses inferential statistics to draw conclusions about the larger ________.
sample; statistic
parameter; population
population; sample
sample; population
A characteristic in a population is called a ________, whereas a characteristic in a sample is called a ________.
population parameter; sample statistic
sample statistic; population parameter
sample parameter; population statistic
population statistic; sample parameter
Identify the population and parameter:
To determine the food preferences of their customers, the owners of a restaurant randomly choose 20 customers on Friday to participate in a survey.
population: the 20 randomly chosen customers surveyed
parameter: food preferences for the 20 randomly chosen customers
population: all customers of the restaurant
parameter: food preferences for all of the restaurant's customers
population: all people in the nation
parameter: food preferences for the 20 randomly chosen customers
none of these
Tell if the statement is a Parameter or a Statistic
The average late fee for 360 credit card holders was found to be $56.75
Parameter
Statistic
Tell if the statement is a Parameter or a Statistic
The average salary of all assembly-line employees at a certain car manufacturer is $33,000.
Parameter
Statistic
Tell if the statement is a Parameter or a Statistic
A recent survey by alumni of a major university indicated that the average salary of 10,000 of its 300,000 graduates was $125,000 a year.
Parameter
Statistic
Indicate whether the following refer to statistics or parameters.
The average height of all dogs in New York City
Statistic
Parameter
แป้นคำตอบPopulation Vs Sample
คำถามทั้งหมด: 20
sample
statistic
population
parameter
Parameter
Statistic
All the website visitors.
Sample
Population
Population
Sample
the shoppers who were asked their preferences
sample; population
population parameter; sample statistic
population: all customers of the restaurant
parameter: food preferences for all of the restaurant's customers
Statistic
Parameter
Statistic
Parameter