Compute the sum of the squared residuals of the least sqldled legie given data b

Question

Compute the sum of the squared residuals of the least sqldled legie given data below. 1 1 6 (a) 15.6 (b) 9.943 (c) 60.8 (d) 71.3 13. Which of the following random variable are discrete, and which are continuous? (a) The number of songs on an MP3 player. (b) The time it takes a student selected at random to register for the fall term. (c) The number of bad checks drawn on a PNC Bank on a day selected at random. (d) The amount of gasoline needed to drive your car 200 miles. (e) Pick a random sample of 50 registered voters in a district and find the number who voted in the last county election. (f) The length of time it takes to get to work. (g) The volume of blood drawn for a blood test. 14. The correlation coefficient between per capita income in thousands of dollars and the number of medical doctors per 10, 000 residents is r (a) Find the coefficient of determination 0.934 (b) What does this tell you about the explained variation of the data about the re- gression line?

Explanation / Answer

13. (a) discrete - can only take whole numbers as values of X

(b) continuous - time can take any calue

(c) discrete - X can only be a whole number

(d) continuous - the amount can be any value

(e) discrete

(f) continuous

(g) continuous

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