Answer:
46
Step-by-step explanation:
(2/5)*115
230/5
46 students
Answer:
A weak negative correlation
Step-by-step explanation:

where,



This represents a weak negative correlation
Answer: n=75
Step-by-step explanation:
1/5 times 75 equals to 15
Answer:
1 option is correct
Step-by-step explanation:
Angle AOB and DOC is vertically opposite angle