Answer:
Margin of error ![=E=[69]](https://tex.z-dn.net/?f=%3DE%3D%5B69%5D)
Step-by-step explanation:
Data provided in the question:



At
confidence level the
is.





Margin of error ![=E=[69]](https://tex.z-dn.net/?f=%3DE%3D%5B69%5D)
Step-by-step explanation:
Total students-30
No.of students pass their English test-24
24/30 X 100=80%
So,80%students pass their test
First, you need to find the trend line that you are going to use before you can answer question 9 and 10.
To do that select 2 points from your list and find the y = mx + b equation.
After you have your equation, all you need to do is plug in the values that you are given for x. Evaluate the expression and you will have your answer.