The ages of randomly selected employees at two companies are recorded. Their age 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?
1. the mean age of the employees from company a is higher than the mean age of employees from company b
2. the median age of the employees from company a is lower than the median age of the employees from company b
3. the range of ages of employees from company a is higher than the range ages of employees from company b.
A. statements 1 and 3
B. statements 1 and 2
C. statements 2 and 3
D. statements 1, 2, and 3
A. statements 1 and 3
Maritza plays in a softball league. she wants to know about how many players in the league also plays 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
- Size of the population: 225 players
Sample: The 45 players Maritza chose to ask whether they also play basketball
- Size of the sample: 45 players
In this scenario:
- Population = 225 players
- Sample = 45 players