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?
Definitions:
Q13: Based on the 95% confidence interval,can one
Q14: What is the upper confidence limit of
Q49: Raising in-state and out-of-state tuition is supposed
Q59: In a random sample of 500 California
Q75: The two regressions y = β<sub>0</sub> +
Q101: For a two-tailed test at the 0.05
Q125: Which of the following distributions is used
Q140: How would you interpret the slope coefficient
Q188: What are the appropriate null and alternative
Q221: Test the null hypothesis that β<sub>2</sub> is