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02.04.2020 •
Mathematics
A mail-order catalog firm designed a factorial experiment to test the effect of the size of a magazine advertisement and the advertisement design on the number of catalog requests received (data in thousands). Three advertising designs and two different-size advertisements were considered.The data obtained follow.Use the ANOVA procedure for factorial designs to test for any significant effects due to type of design,size of advertisement,or interaction. Use alpha=0.05.
Show your ANOVA result and answer the following:
(a) Is the effect of advertisement size significant (i.e., are averages for advertisement size not the same?)
(b) Is the effect of design significant?
Size of Advertisement
Design Small Large
A 8 12
12 8
B 22 26
14 30
C 10 18
18 14
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