Answer:
Student's t-test
Explanation:
The student's t-test is used to compare, measure or evaluate two independent groups. It helps to show the significant differences between two groups that are significantly different from each other, in this case, the two immersive learning treatments. It helps to measure if the differences which is usually measured in mean, happened by chance.
It is the most appropriate method for comparing two groups with a continuous variable. Forms of Student's t-test are the paired t-test, unpaired t-test, single sample, etc.
I would say this would be the second one or maybe the last one , hope this helps !
Answer: The right answer is Cave-ins.
Explanation: Excavations and trenches are basically the man-made cuts inside the Earth's surface. These are made for multiple purposes such as mining or tunneling. One of the obvious risk while working in such excavations and trenches is cave-ins. It is basically collapse of that excavation or Trench. The roof of the mine collapses and people working under it get buried inside those excavations in trenches.