Question: Following is a TI-84 Plus display showing a 95% confidence interval for 1. a. What is the slope of the least-squares regression line? b. How

Following is a TI-84 Plus display showing a 95% confidence interval for β1. LinRegTInt y=a+bx (.17354.2208) b=.1971681416 df=10 s=.3254404775 a=1.077522124 r=.9749242655 r=.9873825325

a. What is the slope of the least-squares regression line?

b. How many degrees of freedom are there?

c. How many points are in the data set?

d. What is the 95% confidence interval for β1?

LinRegTInt y=a+bx (.17354.2208) b=.1971681416 df=10 s=.3254404775 a=1.077522124 r=.9749242655 r=.9873825325

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