Use a= .01

2) In women, calcitonin levels decrease after menopause. A study to examine this was done in 1989 by Reginster et. al. They found the following results in pg/ml (do NOT use R): Before menopause: 86 104 74 86 86 50 83 71 119 83 After menopause: 42 25 51 72 Use a Mann-Whitney U test. Use a =.01. Do calcitonin levels drop after menopause? y the results? ) (a) Repeat problem (2), but this time use a t-test (Welch's). Do NOT use R. Use a = .01. Are you surprised (b) Now use R and read the data into R and make q-q plots. Does this explain what happened