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Week 3 DQ1
I bought the smallest bags of M&M’s I could find.
The Milk Chocolate bag had 57 M&M’s
inside while the Peanut bag had 21 M&M’s inside.
The data is displayed in the following table:
# of Milk
Chocolate
Sample
% of Milk
Chocolate
Sample
# of
Peanut
Sample
% of
Peanut
Sample
Brown
7
12.2%
4
19.0%
Yellow
15
26.3%
2
9.52%
Green
12
21.0%
5
23.8%
Red
10
17.5%
3
14.3%
Orange
8
14.0%
4
19.0%
Blue
5
8.7%
3
14.3%
Totals =
57
21
I decided since the yellow M&M’s had the largest difference that I am focusing on the difference
of percentages.
I chose to use a twotailed test to try to reject the null.
peanut
milkchoc
H
π
=
:
0
OR
0
:
0
=

peanut
milkchoc
H
, meaning that the amount of yellow M&M’s
in each bag are the same.
peanut
milkchoc
A
H
≠
:
OR
0
:
≠

peanut
milkchoc
A
H
, meaning that the amount of yellow M&M’s
Using a level of significance of 5% (α = .05), the righttail critical and lefttail critical is 1.96 and
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This note was uploaded on 12/19/2010 for the course MKT 421 taught by Professor Unknown during the Spring '08 term at University of Phoenix.
 Spring '08
 unknown

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