Chapter 13 Review/Test

(#15)The table below shows data on the times it takes to load a page of photos at two websites during the past year.  Which website has the least variability in load times and why? 

• Website A, because its interquartile range is larger
• Website A, because its range is smaller
• Website B because its interquartile range is smaller
• Website B because its range is larger

(#14) What is the upper quartile of the data about Mr. Long's bowling scores?  

189, 163, 171, 165, 148, 155

• 155
• 164
• 171
• 180

(#13) The data set below shows Mr. Long's last 6 bowling scores. 189, 163, 171, 165, 148, 155

What is the range of his data?

• 41
• 34
• 26
• 24

(#12) Which of the following data sets could be represented by the box plot below?

• 30, 80, 60, 10, 60
• 20, 65, 40, 70, 60
• 80, 70, 20, 60, 10
• 60, 20, 70

(#11)What is the interquartile range of the data shown on this dot plot?

• 3
• 4
• 6
• 7

(#10)Autumn's physical education teacher recorded the number of laps each student walked during class time and displayed the data in the dot plot show.  Which statement is NOT true about the data?

• The median and mode are the same value
• There are no gaps in the data
• The range is 6
• The data has no line symmetry

(#9)The table below shows the daily high temperature, in degrees Fahrenheit, recorded at Chase's school last week.  What is the mean absolute deviation of this data set?           

• 1 degree F
• 2 degrees F
• 3 degrees F
• 4 degrees F

(#8)Marcia is drawing a box plot of the data 17, 15, 21, 3, 23, and 11.  Where should she draw the vertical segment inside the box?

• 3
• 15
• 16