Question

If y=2x+3,and variance of y is 4, what is the standard deviation of x?

Answer 1

required answer that is value of x is 1/2

Answer 2

Given Data :

• Equation y = 2x+3
• Value of y = 4

• 2x = 4 - 3
• 2x = 1
• x = ½
• Value of x = ½