STATS 199 Midterm: STAT 191 Exam
9 Jan 2019
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You may use your 4 single-sided pages of notes. I understand and accept the stanford university honor code. 1: 1) in order to study the relevance of di erent elds of study in the job market, the stanford alumni association followed stanford graduates in the rst few years after graduation. Students were asked their starting salaries, as well as which sector (i. e. nance, technology, education) they were employed in. Within the nance eld there were (among others) (20 math. & computational science (mcs) & 20 english graduates). (a) the rst question the researchers addressed was whether an mcs de- gree was worth more than a english degree in nance. After entering the data in r, they found the following: Two sample t-test data: mcs and english t = 3. 718, df = 38, p-value = 0. 0003228 alternative hypothesis: true difference in means is greater than 0. Inf sample estimates: mean of x mean of y.
