Question

Please answer as many as the following questions as you can, I really need to study this for my final exam. Your help will be appreciated thank you in advance!

1) What type of experimental design is this? (ex: between-subjects, within-subjects, etc).
2) Is this an observational study or a manipulative study?
3) What is the dependent variable, and what type is it (ex: interval, ratio, nominal, ordinal)
4) What is the independent variable, how many levels does it have, and what type is it (ex: interval, ratio, nominal, ordinal)
5)What is the mean and standard deviation of each group?
6)To which group does the patient with the highest expected time belong?
7)Does the data in each group seem to have a normal distribution? Explain how you can determine this.
8) What type of statistical test would you use to comparing the time spent with the average-weight patients as compared to the time spent with the overweight patients?9)Perform the statistical test and describe all pertinent details of the test, including your final conclusion of significance.

Average weight min) overweią ht (min)

Answer 1