Do Pinterest shoppers and Facebook shoppers differ with respect to spending behavior? A study of browser-based shopping

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Do Pinterest shoppers and Facebook shoppers differ with respect
to spending behavior? A study of browser-based shopping sessions
reported that Pinterest shoppers spent a mean of $ 153 per order
and Facebook shoppers spent a mean of $ 85 per order. Suppose that
the study consisted of 500 Pinterest shoppers and 500 Facebook
shoppers, and the standard deviation of the order value was $ 150
for Pinterest shoppers and $ 80 for Facebook shoppers. Assume a
level of significance of 0.05.