Data was collected on 50 HIT students showing the average amount of time spent studying daily during their first and fourth years. Do students study more or less in their fourth year compared to their first?In order to answer this question, which of the following test procedures is most apprpriate?

What percentage of students study 6 or more hours for the midterm?24%48%52%72%88%

A random sample of 54 students in a statistics class were asked how many hours they had studied before a statistics test.The linear model equation below describes the relationship between the mean test mark and the hours of study.mark == 4.04 ++ 0.27 ×× studyBased on this linear model, which of the following statements is correct?Choose ONE:A student who gets one more mark than another in the test is expected to have studied for 4.04 more hours.A student who did not study would be expected to get 4.04 marks in the test.A student who got zero marks in the test is expected to have studied for 4.04 hours.A student who studies 1 hour more than another is expected to get 4.04 more marks in the test.

A university claims that their average graduation time for all their students is 4.7 years. The dean of the College of Business and Economics thinks that their students in that college graduate faster. They took a random sample of 150 students from their college and tracked them to see their graduation time. They found that the average graduation time for these students was 4.48 years with standard deviation of 0.83 year. Find the test statistic.

What proportion of the students in the study have average usage level? (3dp)

Teacher Joy conducted a census in her class, and she found out that the average time that her students devote to studying is 2.25 hours, their average height is 147 cm, and a random sample of 10 students got an average of 87% in their latest quiz.Which of the given numbers is a statistic?*1 point2.25 Hours147cm87%10 Students