Question

A researcher is examining preferences among four new
flavors of ice cream. A sample of n=80 people is obtained. Each
person tastes all four flavors then picks their favorite. The
distribution of preference is as follows:

A 12

B 18

C 28

D 22

Do these data indicate any significant preferences among the four
flavors? Test at the .05 level of significance and report your
findings.

Answer #1

Here we have:

n = 80 and four new flavors of ice cream

Hypothesis:

A researcher is examining preferences among four new flavors of
ice cream. A sample of n = 80 people is obtained. Each person
tastes all four flavors and then picks his/her favorite. The
distribution of preferences is as follows.
Ice Cream Flavors A B C D 6 18 34 22
Do these data indicate any significant preferences among the
four flavors? Test at the .05 level of significance and report your
findings.

Review the three
"Non-parametric" test videos in the Calculations section of the
"Statistics Visual Learner" media piece.
A researcher is
examining preferences among four new flavors of ice cream. A sample
of n = 80 people is obtained. Each person tastes all four flavors
and then picks a favorite. The distribution of preferences is as
follows. Do these data indicate any significance preferences among
the four flavors? Test at the .05 level of significance.
Ice Cream Flavor
A
B
C...

A researcher is interested consumer preferences among three
brands of televisions. A sample of 100 people is obtained, and each
individual is asked to try each brand and then select his/her
favorite. The resulting frequency data are as follows:
Brand A Brand B
Brand C
38
32
30
Do the data indicate any significant preferences among the three
brands? Test at the .05 level of significance.

In February 2012, the Pepsi Next product was launched into
the US market. This case study provides students with an
interesting insight into PepsiCo’s new product process and some of
the challenging decisions that they faced along the way.
Pepsi Next Case Study
Introduction
Pepsi Next was launched by PepsiCo into the US market in
February 2012, and has since been rolled out to various
international markets (for instance, it was launched in Australia
in September 2012).
The new product...

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