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

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Basic Math

In an effort to promote a new product, a marketing firm asksparticipants 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 VariationSSdfMSF
Length10
Technology
Length ×Technology142
Error570114
Total862

(a) Complete the F-table and make a decision to retainor reject the null hypothesis for each hypothesis test. (Assumeexperimentwise alpha equal to 0.05.)

Source of
Variation		SSdfMSF
Length10
Technology
Length×
Technology		142
Error570114
Total862

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