A random sample of boarding school students was asked how many 8-ounce servings of soda they had consumed on a certain Sunday and how many hours of sleep they got that night. Their responses are...

A random sample of boarding school students was asked how many 8-ounce servings of soda they had consumed on a certain Sunday and how many hours of sleep they got that night. Their responses are displayed in the scatter plot below

Extracted text: 11.A random sample of boarding school students was asked how many 8-ounce servings of soda they had consumed on a certain Sunday and how many hours of sleep they got that night. Their responses are displayed in the scatter plot below. 8.5- 8- 7.5- 7- 6.5- * 6- 5.5- Soda Sleep 6. 8 1 6. 1 7 2 7 3 3 8 4- 3.5- 3- 2.5- 2- 1.5- 4 6. 6. 3 6 7 4 7 6. Number of 8 ounce soda servings 8. 3 10 2 Equation n ý = 7.385 – 0.457x 15 1.166 0.613 (a) Which variable is the explanatory and which is response? Identify if each variable is categorical or quantitative? Explanatory: Categorical or quantitative (circle one) Response: Categorical or quantitative (circle one) (b) What is the y-intercept of the least-squares regression line for this data? (b) Interpret the y-intercept by filling in the blanks: In general, a boarding school student who drinks servings of soda tends to get Approximately. hours of sleep. (c) Interpret the meaning of r2 = 0.613 in this setting by filling in the blanks. The for the LSR Iline, the number of that a boarding school student consumes can predict how much they get about % of the time. Sleep (hours)