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A drug company is interested in investigating whether the color of their packaging has any impact on sales. To test this, they used five different colors (blue, green, orange, red, and yellow) for the boxes of an over-the-counter pain reliever, instead of their traditional white box. The following table shows  the number of boxes of each color sold during the first month  Box color  Blue   Green   Orange  Red   White  No. of boxes sold  310  292  280  216  296  Using the 1% significance level, test the null hypothesis that the number of boxes sold of each of these five colors is the same.

A drug company is interested in investigating whether the color of their packaging has any impact on sales. To test this, they used five different colors (blue, green, orange, red, and yellow) for the boxes of an over-the-counter pain reliever, instead of their traditional white box. The following table shows  the number of boxes of each color sold during the first month  Box color  Blue   Green   Orange  Red   White  No. of boxes sold  310  292  280  216  296  Using the 1% significance level, test the null hypothesis that the number of boxes sold of each of these five colors is the same.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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 A drug company is interested in investigating whether the color of their packaging has any impact on sales. To test this, they used five different colors (blue, green, orange, red, and yellow) for the boxes of an over-the-counter pain reliever, instead of their traditional white box. The following table shows 
the number of boxes of each color sold during the first month 

Box color 

Blue  

Green  

Orange 

Red  

White 

No. of boxes sold 

310 

292 

280 

216 

296 

Using the 1% significance level, test the null hypothesis that the number of boxes sold of each of these five colors is the same.

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