Statistics Unit Test
14 of 1514 of 15 Items
Question
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.
(1 point)
Responses
statements 2 and 3
statements 2 and 3
statements 1, 2, and 3
statements 1, 2, and 3
statements 1 and 3
statements 1 and 3
statements 1 and 2
statements 1 and 2
what is correct
The correct response is "statements 1 and 2."
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.(2 points)
Population: The population is the entire group of softball players in the league.
Sample: The sample is the 45 players that Maritza chose to ask about playing basketball.
Size of the population: The size of the population is 225 players.
Size of the sample: The size of the sample is 45 players.
can you show your work
Sure! To find the size of the population, we are given that there are 225 players in the league. So the size of the population is 225.
To find the size of the sample, we are told that Maritza chose 45 players to ask about playing basketball. So the size of the sample is 45.
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.(2 points)
Population: The population is the entire group of softball players in the league.
Sample: The sample is the 45 players that Maritza chose to ask about playing basketball.
Size of the population: The size of the population is 225 players.
Size of the sample: The size of the sample is 45 players.
(Note: I apologize if you received this response twice. It seems that the first response did not go through, so I am sending it again to ensure that you receive it.)