Compare Two Data Sets

• class 1

• class 2

Which class likely has the higher mean?

• class 1

• class 2

• The median income for nuclear engineers is greater than the income of all musicians.

• The median income for police officers and musicians is the same.

• All nuclear engineers earn more than all police officiers.

• A musician will eventually earn more than a police officer.

Is there more variability in the heights above 345 meters or below 261 meters?

• Above 345 meters

• below 261 meters

• 1.5

• 2.5

• 3.5

• 5

What is the difference between the medians for the two data sets? 

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets

When comparing the spread of two data sets using box plots, which component should be examined?

• The length of the whiskers

• The size of the box

• The position of the median

• Both A and B

How many more Freshman ate pizza than Juniors?

• 5

• 1

• 10

• 6

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above. Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above. Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2