Statistics Unit Test

Question

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 1, 2, and 3
statements 1, 2, and 3

statements 2 and 3
statements 2 and 3

statements 1 and 2
statements 1 and 2

statements 1 and 3
statements 1 and 3

choose an answer.

Answer 1

The answer is: statements 1 and 3.

Answer 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)

Answer 3

Population: all players in the softball league
Sample: the 45 players Maritza asked about basketball

Size of population: 225 players
Size of sample: 45 players

Answer 4

show your work

Answer 5

Population size: Given in the problem, the population size is 225 players.

Sample size: Maritza chooses 45 players from the softball league to ask about basketball, making the sample size 45 players.