Question

in an effort to promote a new product a marketing firm ask 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

In an effort to promote a new product, a marketing firm asks participants to rate the effectiveness of ads th interactive). Higher ratings indicated greater effectiveness. Length Technology Length x Technology 148 5 Error 570 114 803 Total (a) Complete the F-table and make a decision to retain or reject the null hypothesis for each hypot Source of df MS Is Variation Length Technology Length x Technology Error Total 148 570 803 114 State the decision for the main effect of length. null hynothesis

Answer 1