Mathematics, 30.06.2020 17:01 tydukes10
The purchasing manager for a chain of grocery stores is interested in customer's preference for non-alcoholic beverages. She wondered if there was a relationship between the customer's beverage preference and the customer's income class. She randomly sampled 500 customers and asked their non-alcoholic beverage preference (soft drinks, energy drinks, fruit juices, vitamin water, or other) and what their income class is (lower class, lower middle class, middle class, upper middle class, upper class). Assuming all conditions are satisfied, which of the following tests should the manager use to test her hypothesis?
A. The chi-square test of homogeneity.
B. The goodness-of-fit chi-square test.
C. The chi-square test of independence.
D. The two-sample z-test for proportions.
Answers: 1
Mathematics, 20.06.2019 18:04, Thejollyhellhound20
Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4
Answers: 1
Mathematics, 21.06.2019 19:20, mrskhg3395
Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
Answers: 2
Mathematics, 21.06.2019 20:30, qveenvslayin
Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?
Answers: 1
Mathematics, 21.06.2019 23:00, teriateria
How can writing phrases as algebraic expressions you solve problems?
Answers: 2
The purchasing manager for a chain of grocery stores is interested in customer's preference for non-...
Spanish, 04.08.2019 08:00
History, 04.08.2019 08:00
Geography, 04.08.2019 08:00
Mathematics, 04.08.2019 08:00
Mathematics, 04.08.2019 08:00