A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concemed that som colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Sky Orange Blue Black White Pink Sage 18 15 26 20 21 20
A particular phone case comes in 6 different colors, and in the past all 6 colors have sold at approximately equal rates. The manufacturer is concemed that som colors are becoming more popular than others and is concerned that the production of the colors needs to be modified. In order to look into this, he randomly selects 120 of their sales from amazon.com that have occurred over the past month and records the color of the phone case. The results are below. Test the hypothesis that the colors no longer sell at equal rates. Use .05 as the level of significance. Sky Orange Blue Black White Pink Sage 18 15 26 20 21 20
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![A particular phone case comes in 6 different colors,
and in the past all 6 colors have sold at approximately
equal rates. The manufacturer is concermed that some
colors are becoming more popular than others and is
concerned that the production of the colors needs to
be modified. In order to look into this, he randomly
selects 120 of their sales from amazon.com that have
occurred over the past month and records the color of
the phone case. The results are below. Test the
hypothesis that the colors no longer sell at equal
rates. Use .05 as the level of significance.
Black White Pink
Sky
Orange
Sage
Blue
18
15
26
20
21
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd3e9aa49-562f-4dce-922c-5d1741f5d668%2Fd075272b-5a09-458a-8e1a-71ff67acff2f%2Fua27iaa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A particular phone case comes in 6 different colors,
and in the past all 6 colors have sold at approximately
equal rates. The manufacturer is concermed that some
colors are becoming more popular than others and is
concerned that the production of the colors needs to
be modified. In order to look into this, he randomly
selects 120 of their sales from amazon.com that have
occurred over the past month and records the color of
the phone case. The results are below. Test the
hypothesis that the colors no longer sell at equal
rates. Use .05 as the level of significance.
Black White Pink
Sky
Orange
Sage
Blue
18
15
26
20
21
20
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