T-Mobile LTE 3:11 PM 30%) Done Test-#1 (Ch. 1-6 with 40 Questions).docx c. littl
ID: 3327397 • Letter: T
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T-Mobile LTE 3:11 PM 30%) Done Test-#1 (Ch. 1-6 with 40 Questions).docx c. little or no tilt d. any of the above, depending on circumstances. 30. 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 a. less closely approximate a straight line. b. more closely approximate a straight line. c. define a straight line. d. lack any apparent tilt. 31 Assume that r equals -43 for the relationship between years of heavy smoking and life expectancy. This signifies that a. heavy smokers tend to have longer life expectancies. b. heavy smokers tend to have shorter life expectancies. c. there is a causeeffect relationship between heavy smoking and life expectancy d. there is a negative causeeffect relationship between heavy smoking and life expectancy. 32. In order for a Pearson'sr to reflect a meaningful relationship, which of the following must be true? the relationship must be nonlinear a. the variables must be measured on at least an ordinal scale b. the range of scores must be restricted on at least one of the variables c. the variables must be measured on either an interval or a ratio scale 33. One of psychology's better known findings is that performance is good at moderate levels of arousal and poor at both high and low levels of arousal. Which of the following is true? a. the strength of this relationship can be measured with Pearson'sr b. this is an example of a positive linear correlation c. this is an example of a negative linear correlation d. a Pearson's r for this relationship would be close to zero 34. If only a narrow range of scores is included for one or both of the variables in a correlational study a. the correlation will be lower than i a wider range of scores was used b. the correlation will be higher than if a wider range of scores wasExplanation / Answer
30.
b) more closely approximate to a straight line ,
as the value of r is is on the higher side
PS: according to chegg we are adviced to answer only the 1st question if multiple questions are posted.
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