m another browser. Import your favorites 50: St... a Renikki Alexa Help ep ST560
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m another browser. Import your favorites 50: St... a Renikki Alexa Help ep ST5600R50: Statistical Analysis (2017M) Course Content I Communication Course Tools l Evaluati Quiz 4 Quiz e Left: 1:27:08 Renikki Alexander: Attempt 1 Question 4 (1 point) Given that the relationship between GPA and IQ is stronger in high school than in college, the dot cluster for high school (compared to that for college) should O a) less closely approximate a straight line. b) more closely approximate a straight line. c) define a straight line d) lack any apparent tilt.Explanation / Answer
Q.4> The stronger the relationship is, the better it approximates a straight line. So Option (B) is the correct choice.
Q.5> r should always lie between -1 and +1. So 1.03 can't possibly be a value of r. So Option (D) is the correct choice.
Q.6> r-value closer to 1 means stronger relationship and r-value closer to 0 implies weaker relationship. So r-value 0.23 implies weak relationship. So Option (C) is the correct choice.
Q.7> Correlation co-efficient doesn't depend on range. Hence it will remain same. So Option (C) is the correct choice.
Q.8> r-value < 0 implies increasing one variable will result in decreasing the other. So Option (B) is the correct choice.
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