Identify the population, the sample, and the parameter of interest of the given scenario. You want to know the mean income of the subscribers to a particular magazine. You draw a random sample of 100 subscribers and determine that their mean income is $27,500. Population: Sample: Parameter of Interest:

Why were staff lines an important improvement to musical notation a. sl indicated rhythm b. sl indicated dynamics c. sl indicated pitch d. sl indicated meter

Which statement is true with regard to beethoven? a. ludwig vin kochel catalogued more than six hundred of his compositions. b. he was the official composer for the powerful and rich eszterhazy family. c. he produced the best piano sonatas and the “ninth symphony” after losing his hearing. d. he wrote the well-known opera “the magic flute” during the last years of his life.

Prairie houses a. irregular in plan, two stories high, with one-story wings b. irregular in plan, one story high, with two-story wings c. irregular in plan, two stories high , with two- story wings d. irregular in plan, one story high, with one-story wings