2. A pilot study is run to investigate the feasibility of recruiting pregnant women into a study of risk factors for preterm delivery. Women are invited to participate at their first clinical visit for prenatal care. The following represent the gestational ages in weeks of women who consent to participate in the study.
10 16 25 24 6 12 15 19
a. Compute the sample mean gestational age.
b. Compute the sample standard deviation of gestational age.
c. Compute the median gestational age
d. What proportion of the sample enroll in first trimester of pregnancy (i.e., between 1-13 weeks, inclusive, of pregnancy)?
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