A large company wants to find out what team-building activity its employees prefer. Which of the following samples can give the most valid generalization?(1 point)
Responses
400 randomly chosen employees from the list of all employees
all 624 female employees in the company
all employees who have worked in the company for 5 years or more
a group with one member from each department
4 answers
The first sample of 400 randomly chosen employees from the list of all employees would give the most valid generalization.
Maritza plays in a softball league. She wants to know about how many players in the league also play basketball. Because there are 225 players in the league, she chooses the names of 45 of the players and asks them whether they also play basketball. Describe the population and the sample. What is the size of the population, and what is the size of the sample? Show your work.
Population: All players in the softball league.
Sample: The 45 players Maritza chose.
Size of population: 225 players
Size of sample: 45 players
To determine the size of the population and sample, the information is given directly in the problem, where it states that there are 225 players in the league, and Maritza chose the names of 45 players for her sample.
Sample: The 45 players Maritza chose.
Size of population: 225 players
Size of sample: 45 players
To determine the size of the population and sample, the information is given directly in the problem, where it states that there are 225 players in the league, and Maritza chose the names of 45 players for her sample.
The ages of randomly selected employees at two companies are recorded. Their ages are as follows.
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.
Company A: 34, 28, 36, 27, 45, 44, 30, 42, 41, 40, 50, 48, 52, 45, 39, 38
Company B: 29, 32, 48, 51, 49, 37, 33, 35, 36, 40, 45, 48, 43, 43, 44, 48
Which of the following statements is true?
The mean age of employees from Company A is higher than the mean age of employees from Company B.
The median age of employees from Company A is lower than the median age of employees from Company B.
The range of ages of employees from Company A is higher than the range of ages of employees from Company B.