Analyzing and Comparing Data

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive?

• 7:00-7:59 P.M.

• 8:00–8:59 P.M.

• 9:00–9:59 P.M.

• 10:00–10:59 P.M. 

What is the median of the data?

• 200

• 100

• 90

• 140

What is the interquartile range?

• 4

• 6

• 2

• 8

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

• 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

• The range for both rides is 20.

• The interquartile(IQR) range for both rides is 10.

• Rocket blast has a larger mean than Topsy Turvy.

• Both rides have a median wait time between 25-30 minutes.

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