Which one of the following correlations must be correct?单项选择题

A

The correlation between outside temperature and color of the sky is r = 0.64.

B

The correlation between annual income and type of job is r = 0.82.

C

The correlation between age and favorite type of social media platform is r = –0.49.

D

The correlation between driving speed and amount of traffic is r = –0.71.

E

The correlation between academic major and number of credits enrolled in is r = 0.55.

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