Midterm 2 — Spring 2026, Green

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Midterm 2 — Spring 2026, Green

Question 1: Alloy failure loads

Question 1(a1)

Question 1(a2)

Question 1(b)

Question 1(c)

Question 1(d1)

Question 1(d2)

Question 1(e1)

Question 1(e2)

or: t.test(A1load, mu = 12)$p.value

Question 1(e3)

Question 2: Two small experiments

Question 2(a)

Question 2(b)

Question 3: Music and purchases

Question 3

Question 4: Yarn elongation and power

Question 4(a)

Question 4(b)

Question 4(c1)

Question 4(c2)

Question 4(c3)

Question 5: Catalyst yields

Question 5(a)

Question 5(b1)

Question 5(b2)

Question 5(b3)

Question 5(c)

Question 6: Advertisement screens

Question 6(a)

Question 6(b)

Question 7: R simulation

Question 7(a)

Question 7(b)

Question 7(c)

Question 8: Defective components

Question 8(a)

Question 8(b1)

Question 8(b2)

Question 8(b3)

Question 8(c)

Question 8(d1)

Question 8(d2)

Question 8(d3)

Question 9: Bootstrap inference

Question 9(a1)

Question 9(a2)

Question 9(a3)

Question 9(b)

Supplied reference R output