Author Question: In using the Z-test for comparing two proportions, the null hypothesis is typically stated as ____. ... (Read 73 times)

yoroshambo · **on:** Jun 28, 2018

In using the Z-test for comparing two proportions, the null hypothesis is typically stated as ____.
a. 1 = 2.
b. 1 2.
c. 1 x 2 = 1
d. 1 - 2 = 1

Question 2

Dom is reviewing a perceptual map that compares a number of jeans brands based on customer survey data. Five of the eight brands are depicted as points close together on the map. A logical conclusion Dom can draw from this perceptual map is
a. three brands are well positioned as being diverse from all other brands.
b. the five brands are viewed as most interchangeable by consumers.
c. the five brands identify a hole in the perceptual map.
d. consumers will most likely purchase more of the three brands not clustered together.