Answer:71
Step-by-step explanation:
range is the difference between the highest number and the smallest number in a group of data
Highest number=85
Smallest number=14
Range=highest number-smallest number
Range=85-14
Range=71
Answer:
-3r 33 is the answer
Step-by-step explanation:
-3r < 33
r > -11
the " >\< " symbol will change if the negative number is divided
Answer:
Option C is correct.
Step-by-step explanation:
Distance already traveled by Ed 
miles
Also, Ed is driving at a rate of 63 miles per hour.
Distance 
Speed × Time
Distance traveled by Ed in 
hours 
Total distance traveled by Ed 
Also, total distance traveled by Ed is 
miles.
Therefore,
Option C is correct.
Answer:
a.The classification error rate for records that are truly fraudulent: By increasing the cutoff value, the non-fraudulent records will go down and this increases the error rate.
Also, if the cutoff value is down, the fraudulent records will increase and this lowers the error rate
.b.The classification error rate for records that are truly non-fraudulent: By moving up the cutoff value, the fraudulent records will go down and this decreases the error rate.
Also, if the cutoff value is down, the non-fraudulent records will go down and this increases the error rate.
