Answer:
C. Happy people are more likely to send a lot of tweets than sad people
Step-by-step explanation:
- If the researcher wants to find out the relationships between the tweets and the happiness of the people and he comes to a conclusion that a positive correlation exists as the number of the people that are happier are more likely to send more tweets than those of the sad people and thus concluded that a strong correlation exists when people give more tweets are considered or reported to be happy.