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    Simple Sample Size Calcs

    Hi all, I am looking into the feasibility of mailing (post) churned customers with various long regencies. I want to get an idea of their likely response rates by recency with a small test prior to rolling out to some or all of these regency’s. Using online calculators or the formula behind...
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    Results driver - change in offer or the differences between test & control files

    Im new here and have a basic query that I would appreciate comment on please. I’m splitting 100% of a purchased acquisition targets file into test and control, testing a new offer to half the targets with the other half receiving the established offer as the control. How can I ensure that it’s...