
Directions: Solve the following problems dealing with statistical graphs.
1. Questions pertain to the histogram shown below. 


(c) What percentage of the students have a height greater than or equal to 60 inches but less than 66 inches, to the nearest tenth of a percent?

(d) In which interval, will you find the median student height, h?
Choose:


2. The box and whisker plots below represent the number of points scored in each game for the 2013 fall football season for two area high school teams. 
(b)Which team's data shows more variability in the points scored?
(c) What is the difference between the median points scored by these two teams?



3. In the same morning, fifteen people spend money on $5 lottery tickets at a local gas station. The dot plot shows the amount spent by each customer on the tickets.





(b) What is the mean (average) of the dollars spent?
(c) What monetary value represents the first quartile of this data?

(d) What is the interquartile range?

(e) What is the population standard deviation for this data (to the nearest hundredth)?


4. The box and whisker plots shown below represent monthly temperatures (º F) for three cities. 




5. Examine the histograms shown below. Complete the chart below by choosing the graph that best shows the stated result. 


Graph A 
Graph B 
Both Graphs 
Larger Median 

Symmetric Graph 

Smaller Range 

Larger Data Count 

Interval Scale of 2 

Unimodal 



6. Two game players have been recording their best scores each day during a one week video tournament. Based on the box plots shown below, determine if the following statements are true or false. 
(a) The median score of Player A is greater than the median score of Player B.
(b) The highest score was obtained by Player B.


(c) The interquartile range of the scores of Player B is less than the interquartile range of the scores of Player A.


7. Examine the dot plots shown below. Complete the chart below by comparing the two plots. 


Larger in
Data X 
Same in
both
data sets 
Larger in
Data Y 
Median 

Range 

Mean 

Standard Deviation 

Mode 

Maximum 



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