You are investigating whether there is a significant difference in the scores of a group of students before and after participating in an intervention.

You want to compare the average reaction times of two groups of participants who underwent different training methods

(Group A: Traditional training, Group B: Virtual reality training).

You are interested in determining if the average number of hours worked per week differs significantly between two different departments in a company.

You want to analyze if the average customer satisfaction ratings are significantly different from a known industry standard rating.

You are investigating whether there is a significant difference in the scores of a group of individuals before and after they completed a memory training program.

You want to compare the average income of individuals with different educational levels

(Group A: High school diploma, Group B: Bachelor's degree)

You are interested in determining if the average weight of a sample of fruits is significantly different from a known standard weight.

You want to analyze if there is a significant difference in the test scores of two groups of students from different schools.

You are investigating whether there is a significant difference in the average problem solving skills of participants playing two different video games.