2. Full-time Ph. D. students receive an average salary of $12,837 according to the US Department of Education. The dean of graduate studies
at a large university claims that
Ph. D. students in his state earn more than this. He surveys 44 randomly selected
students and finds their average salary is $14.445 with a standard deviation of $1500
With a = 0.01, is the dean's claim correct?

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Aquality characteristic of new iphone x made at the amsterdam plant at apple computers has a manufacturing specification (in mm) of 0.200 +/- .07. historical data indicates that if the quality characteristic takes on values greater than 0.27 or smaller than 0.13 the component fails at a cost of20.19. based on these data: determine the taguchi loss function (must show work) calculate an estimated loss for a quality characteristic of .30 calculate an estimated loss for quality characteristic of .40.

Lisette takes an ela exam and got 16 out of 27 questions correct. what percentage of the questions did lisette get correct?