In the last homework, you calculated a regression line for the height (sidewalk to roof) of notable tall buildings in America by the number of stories of the building (beginning at street level)....

Extracted text: In the last homework, you calculated a regression line for the height (sidewalk to roof) of notable tall buildings in America by the number of stories of the building (beginning at street level). Stories Height (in feet) 57 1050 28 428 26 362 40 529 790 401 60 22 38 380 110 1454 100 1127 46 700 a. Do the data provide sufficient evidence at the 5% significance level that the slope is not zero? State your null and alternative hypotheses. Ho Select an answer v?v H Select an answer v?v b. test statistic t= C. p-value = (Hint: Enter 0 is less than 0.0001) . Decision. Rejncthe nutnypolhesis esc FI 888 F4 FS DII F7 F8 %23 $ 3 & 7 Q W tab E R T Y caps lock S D bift Z C V A


Extracted text: 1000 1200 1400 400 600 800 fit g Considering the first point in the table, what is the residual at that point? h. What is the residual standard deviation? I. Would this point be considered an outlier? Ono O yes J. Could you Justlfy removing this from the data set? OYes, it's an outlier and is probably incorrect and should be removed. O Probably not unless I know that the measurement is inaccurate. O Yes, it's messing up our analysis O No, we never remove outliers Hint: Help Question Heip: Message instructor esc F3 F6 FB %23 %24 2 & 4 6 8. tab Q R T Y caps lock A F H shift V control option command B N