2/10
20/100
Times 1/5 by 2 on both sidez and then times that by ten to get the second answer
The mean of the answer is 20.5 because you add all of the number together and divide by 6 because there's 6 numbers.
I'm sorry, but I don't know how to do the standard deviation...
Hope this helped!
The answer to this is D i did the math i am positive it is right