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1.   Prior to treatment, Jenny smoked the following number of cigarettes on consecutive days: 15, 15, 16, 14,

20, 15, 16, 17, 14, 20 


 After treatment, Jenny smokes the following number of cigarettes on consecutive days;  10, 10, 8, 8, 6, 5, 4, 2, 2, 0, 0, 0, 0 


Create a line graph in Excel that shows the frequency of Jenny's cigarette smoking before and after treatment. Be sure to include all of the essential components of a complete graph. 

 4. Calculate IOA for each of the following:  a. Observer One recorded 15 instances, Observer Two recorded 10 instances.  

b. See partial interval data for Observer 1 and Observer 2 below: 


 Interval 1 Interval 2 Interval 3 Interval 4 Interval 5 Interval 6 Observer 1 x x  x Observer 2 x  x x 


c. Observer One recorded that the behavior occurred for 5 minutes, observer Two recorded 3 minutes.  


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