Find the greatest 4 digit number which becomes divisible by 24 and 28 when 100 is added to it

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What are different types of statistical programs

Select all the statements that apply to this figure