A study was conducted to investigate the effect of a new (gold-derivative) drug treatment for rheumatoid arthritis on the level of pain. 20 rheumatoid arthritis patients reporting to a local clinic over one week were assigned randomly into a treatment and controlgroup ( ) Each patient was assessed for their present level of pain receiving either the new or a standard drug treatment. The pain level is measured on a scale from U (pain-free) to 100 (severe pain). Does the treatment reduce pain for arthritis patients? Import the data into R from the le arthritis2022.csv (comma-separated le on Learn, import with function read.csv() ). a. Dene a set of hypotheses to answer the research question. b. Perform a t-test. Report the test statistic, degree of freedom, and the p-value. lnclude an interpretation of the results.