Describing Data Review

What is the minimum value?

• 64

• 58

• 66

• 60

What is the maximum value?

• 58

• 66

• 64

• 60

What is the median?

• 35

• 30

• 25

• 50

What is the median height for softball players?

• 5'3"

• 5'6"

• 5'2"

• 5'4"

The box plot below summarizes the data for the average monthly high temperatures in degrees Fahrenheit for Orlando, Florida. What was the median of the high temperature of the month?

• 71

• 75

• 83

• 92

• Not enough information

The dot plot shown below represents the number of pets owned by students in a class. If a student moved in that lived on a farm with 20 pets, how would this change the data

Choose all the statements that are true:

• The median would increase

• The median would stay the same

• The mean would increase

• The data would contain no outliers.

• The standard deviation would stay the same

Isaiah 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 salary range in company 2 is greater than the salary range in company 1.

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

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

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

The two sets of data below represent the number of runs scored by two different youth baseball teams over the course of a season. Team A: 4, 8, 5, 12, 3, 9, 5, 2 Team B: 5, 9, 11, 4, 6, 11, 2, 7 Which set of statements about the mean and standard deviation is true?

• mean A < mean B

  standard deviation A > standard deviation B

• mean A < mean B

  standard deviation A < standard deviation B

• mean A > mean B

  standard deviation A < standard deviation B

• mean A > mean B

  standard deviation A > standard deviation B

• Not enough information

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. 

Which interval shows the greatest number of pets?

• 15-19

• 0-4

• 5-9

• 10-14