A market analyst wants to know if the new website he designed is
showing increased page views per visit. A customer is randomly sent
to one of two different_ websites, offering the same_ products, but
with different designs. The accompanying table shows the data from
five randomly chosen customers from each website. Assume that the
data come from a distribution that is Normally distributed.
Calculate the test statistic. Let y1 – y2 be the difference of
the sample means.
Website 1 : 11,6,13,10,3
Website 2: 9,11,3,5,6
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