A graduate student wanted to estimate the average time spent studying among graduate students at her school. She randomly sampled graduate students from her school and obtained a hours/week. In the context of the problem, which of the following interpretation is correct?
A. There is a 99% chance that the average amount of time spent studying for all graduate students at this student's school is between 173 and 22.5 hours per week OH
b. Graduate Mudents at this student's school study between 173 and 22 5 hours per week 99% of all weeks during the year
C. At this student's school 99% of all graduate students study between 17 3 and 22.5 hours per week, on average
D. Approximately 99% of all random samples of graduate students from this school will give a mean number of hours studied per week between 172 and 225
E. We are 99% sure that the average amount of time spent studying among graduate students at this student's school is between 17.3 and 22 5 hours per week