Which describes a statistic of a sample?
Responses
A all daily maximum temperatures in June for major U.S. citiesall daily maximum temperatures in June for major U.S. cities
B all members of the Harris County 4-H Cluball members of the Harris County 4-H Club
C 88% of students at Emory High School have been to a football game88% of students at Emory High School have been to a football game
D all men who own a dog in the Dallas, Texas all men who own a dog in the Dallas, Texas
A statistic of a sample would be option C - 88% of students at Emory High School have been to a football game. This is because it represents a percentage or numerical value that applies to a subset of a larger population (students at Emory High School) rather than the entire population itself.
A beverage company wants to determine if people in the United States like their new logo.
Which choice BEST represents the population?
Responses
A All the people who have tried their beverages.All the people who have tried their beverages.
B All the people who like their beverages.All the people who like their beverages.
C Every person in the United States.
Every person in the United States.
D All the employees of the beverage company.
The population would be option C - every person in the United States. This is because the company wants to determine if the people in the United States like their new logo, which includes all people in the country regardless of whether they have tried the beverages or like them. The other options represent subsets of the population and are not comprehensive enough to encompass the entire target population.
A musician wants to determine what the people who bought his last album thought about the songs.
Which choice BEST represents a sample?
Responses
A Every person who bought the album.Every person who bought the album.
B A selection of 250 people who didn't buy the album.
A selection of 250 people who didn't buy the album.
C A selection of 250 people who bought the album.A selection of 250 people who bought the album.
D 250 girls who bought the album.250 girls who bought the album.
The sample would be option C - a selection of 250 people who bought the album. This represents a subset of the population (people who bought the album) and allows the musician to gather data on what a representative group of these individuals thought about the songs. The other options either do not represent the population (option B) or represent more specific subsets that may not provide a representative sample (option D).
In a sample, which statement is TRUE about the income of the group surveyed?
Responses
A The income of the group should be lower than that of the population.The income of the group should be lower than that of the population.
B The income of the group should not be proportional to that of the population.The income of the group should not be proportional to that of the population.
C The income of the group should be proportional to that of the population.The income of the group should be proportional to that of the population.
D The income of the group should be greater than that of the population.