, 16.04.2020 00:24 M1CK3Y

# For each of the following situations, state whether you'd use a chi-square goodness-of-fit test, a chi-square test of homogeneity, a chi-square test of independence, or some other statistical test: a) A brokerage firm wants to see whether the type of account a customer has (Silver, Gold, or Platinum) affects the type of trade s that customer makes (in person, by phone, or on the Internet ). It collects a random sample of trades made for its customers over the past year and performs a test. b) That brokerage firm also wants to know if the type of account affects the size of the account (in dollars). It performs a test to see if the mean size of the account is the same for the three account types. c) The academic research office at a large community college wants to see whether the distribution of courses chosen (Humanities, Social Science, or Science) is different for its residential and nonresidential students. It assembles last semester's data and performs a test.

### Another question on Mathematics

Mathematics, 21.06.2019 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
Mathematics, 21.06.2019 18:00
Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.