Problem 3. (6 points) (6 pts) For each problem, select the best response. (a) A

Question

Problem 3. (6 points) (6 pts) For each problem, select the best response. (a) A gambler conducts a study to determine whethe r the time it took a horse to run its last race can be used to predict the time t takes the horse to nun its next race. in this study, the explanatory valriable s O A. the time it took a horse to run its last race O B. all horses used in the study O C. the gambler's winnings. O D. the time it takes a horse to run its next race OE. None of the above. e ? oes manda or gun ownership prevent crme? o study this, the number of bur lanes committed each non h burglaries committed was affected by requiring citizens to own guns The response variable here is a smal town were recorded for 75 months pro to passage of abl equing ch st guns O A. whether or not a burglary was committed by a gun owner O B. the number of burglaries committed O C. the number of guns owned. O D. whether or not gun ownership is required by law. O E. None of the above. (c) Can one predict a student's score on the midterm exam in a statistics course trom the number of hours the student spent studying for the exam? To explore ths the teacher of the course asksstdents how many ho students spent studying and their scores on the exam in making the scatterplot, the teacher should follow a normal distribution O A. first determine if the scores on the exam approximately B, plot time spent studying for the exam on the horizontal axis o C. use a plotting scale that makes the overall trend roughly linear ? D, pot the score on the exam on the horizontal axes. O E. None of the above Note: You can earn partial credit on this probiem b esimaled homi the height af a ree. Th usable lumber can be The goal is to determine id volume of

Explanation / Answer

a)

option A is correct ; (as prediction is based on that)

b)option B is correct

c)

option B is correct

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