Plz help! correct answer will get another brainliest!

Answer:
The mean is going to be 7 and the standard deviation is 2.5819
Step-by-step explanation:
The mean is every number added together then divided by the number of numbers present.
4+6+8+10= 28
There are 4 numbers so divide 28 by 4 and you get 7.
I hope this helps you.