Answer:
Step-by-step explanation:
3 and 2/5
(aka A)
Answer:
the answer is y=2x+8
Step-by-step explanation:
The variance of a distribution is the square of the standard deviation
The variance of the data is 2.2
<h3>How to calculate the variance</h3>
Start by calculating the expected value using:

So, we have:

This gives

Next, calculate E(x^2) using:

So, we have:


The variance is then calculated as:

So, we have:


Approximate

Hence, the variance of the data is 2.2
Read more about variance at:
brainly.com/question/15858152
Answer:
x=18
y=27
explanation: 4 times 3 is 12
Answer:
this is from yahoo answers hope it helps you!!