Add 6 to both sides so that you can get the variable by itself
Answer: The range is 13. The mean is 10. The standard deviation is 4.62 .
Step-by-step explanation:
The given data : 3, 6, 9, 11, 15, 16
Total number of data values : n = 6
The mean of data is given by :-

The standard deviation is given by :-

The range of the data : Maximum value -Minimum value

Answer: 0
Step-by-step explanation: -6.80 + 6.80
Negative numbers act as subtracting
In order to solve for r you have to place all the number in one side. then isolate r ...... r=1
Answer= 36.75
3.75x 8 = 30
2.25x3= 6.75
6.75+30=36.75