Which dot plot has the greatest variability?

• A

• B

• C

• D

The dot plots below show the number of customers at Mr. Burger and Mr. Chicken during rush hour over the course of 10 days. Which statement correctly compares the distribution of the number of customers at each restaurant during rush hour?

• Mr. Burger's number of customers during rush hour, is greater than Mr. Chicken's number of customers during rush hour.

• Mr. Burger's median number of customers during rush hour, is greater than Mr. Chicken's median number of customers during rush hour.

• There is more variability in Mr. Chicken's number of customers during rush hour, than Mr. Burger's number of customers during rush hour.

• There is less variability in Mr. Chicken's number of customers during rush hour, than Mr. Burger's number of customers during rush hour.

Sal counted the number of songs on each album in his collection. He then created both a dot plot and a box plot to display the same data (both diagrams are shown below).

Which display makes it easier to find that the interquartile range is 4 songs?

• The dot plot

• The box plot

Box and Whisker Plots show

• variability or how great a range is of the information.

• all of the measures of center (mean, median, and mode)

• 150% of all of the information

• is about how long the whiskers are on faces of cats on boxes.

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

The (a)   is the difference between the lowest and highest values.

• range

• mean

• median

• mode

What is the range? (a)  

• {-2,2,5}

• {1,3,5,6}

• all real numbers 

• -2

Tags

dora

discrete

Find the range.

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142.
What is the range of Roger's scores?

• 193

• 127

• 60

• 66

What is the RANGE of this data

• 40

• 95

• 90

• 100