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In an effort to promote a new product, a marketing firm asks participants to rate the...

In an effort to promote a new product, a marketing firm asks participants to rate the effectiveness of ads that varied by length (short, long) and by type of technology (static, dynamic, interactive). Higher ratings indicated greater effectiveness.

Source of Variation SS df MS F
Length 10
Technology
Length × Technology 142
Error 570 114
Total 862

(a) Complete the F-table and make a decision to retain or reject the null hypothesis for each hypothesis test. (Assume experimentwise alpha equal to 0.05.)

Source of
Variation		 SS df MS F
Length 10
Technology
Length ×
Technology		 142
Error 570 114
Total 862

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Expert Solution

milcah answered 8 months ago
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