Question 15
It is known that the average time an adult can read a 1000-word passage is 4.5 minutes. A psychologist is interested in whether exercising eye muscles would make this process faster. 25 adults voluntarily participate in the research, and they do eye exercises for 5 minutes every day for 2 weeks. After the training session, they come to the researcher's lab and read a 1000-word passage while being timed. The dataset is provided in the Excel file.
Based on the information above, what is the t obtained score?
- A. 1.5793
- B. -1.5792
- C. 7.8965
- D. -7.8965
- E. 0.1466