Answer:
D
Step-by-step explanation:
Where f(0) is or x=0, y= 4
Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:

Putting values, we get,
Standard error =

Thus, the correct answer is
Option B) 9.1
Answer:
x=2
y=-3
Step-by-step explanation: