THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 73

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sample of 8 households was asked about their monthly income (x) and the number of hours they spend connected to the internet each month (y) .The data yield the following statistics:
,
,
,
,
-What is the standard deviation of the number of hours households spend connected to the internet each month?

• A)12.817
• B)14.667
• C)15.679
• D)11.990