Answer:

Step-by-step explanation:
Given
Values: 9/5, 9/5, 2, 9/5
Required
Calculate the sample variance
Sample variance is calculated using:

First, we calculate the mean




becomes





<em>Hence, the variance is 0.01</em>
I believe it would be 4
This is because when divided by 3, 3x+12y=3 turns into x+4y=3
Answer:
sign
Step-by-step explanation:
me up cause -2-2 perp to the minus of p+2 divided by 7 = X
The student went wrong in step three. the solutions should have been -3 and 5