Task: Question Answering
Input (English): Question: 9.6 , 9.8 , 9.9 , 9.9 , 10 , 10.1 , 10.2 , 10.5
The mean and the standard deviation of the 8 numbers shown above is 10 and 0.255 respectively. What percent of the 8 numbers are within 1 standard deviation of the mean?

 Option A: 90%

 Option B: 75%

 Option C: 80%

 Option D: 85%

 Option E: 70%
Output (English): Option B