BASIC BUSINESS STATISTICS-STUD.SOLN.MAN
BASIC BUSINESS STATISTICS-STUD.SOLN.MAN
14th Edition
ISBN: 9780134685045
Author: BERENSON
Publisher: PEARSON
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Chapter 11, Problem 22PS

An experiment was conducted to study the extrusion process of biodegradable packaging foam. Two of the factors considered for their effect on the unit density (mg/ml) were the die temperature ( 145 C vs . 155 C) and the die diameter (3 mm vs. 4 mm). The results are stored in packagingForm1.

At the 0.05 level of significance,

a. is there an interaction between die temperature and die diameter?

b. is there an effect due to die temperature?

c. is there an effect due to die diameter?

d. plot the mean unit density for each die temperature for each die diameter.

e. What can you conclude about the effect of die temperature and die diameter on mean until density?

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