Which correlation coefficient represents a moderate negative correlation?r = –0.04 r = –0.24r = –0.64r = –0.94
an association between variables✔ a causation between variablesthe strength of the relationship
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Which describes the correlation shown?weak positivemoderate positivestrong positiveperfect positive
Whose data had the strongest correlation?
Over five different weeks, Irina tracked the hours she spent exercising and the hours she spent playing video games. What is the strength of the correlation between the hours spent exercising and the hours spent playing video games?weak negative correlationmoderate negative correlationweak positive correlationmoderate positive correlation
Claudia records the hours she spent studying and her test scores for 5 tests.
✔ weakmoderatestrongperfect
What type of relationship has his teacher discovered? positive correlation, likely causalpositive correlation, not likely causalnegative correlation, likely causalnegative correlation, not likely causal
Which relationships would most likely be causal? Check all that apply.a positive correlation between time spent exercising and the number of calories burneda negative correlation between temperature and coat salesa positive correlation between time spent practicing free throws and free throw percentagea positive correlation between time spent on the phone with friends and the number of friendsa negative correlation between temperature and the number of speeding tickets
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