A national retail chain exports weekly sales data from both…
A national retail chain exports weekly sales data from both its in-store and online systems. After merging the two datasets, the analyst notices that a few customer transactions are listed more than once. Which of the following is the best first step in cleaning this data before performing sales analysis by customer?
Read DetailsAn e-commerce manager wants to visualize the number of order…
An e-commerce manager wants to visualize the number of orders received each day over the last three months to evaluate trends and identify any seasonal dips or spikes. Which visualization would be the most appropriate for this purpose?
Read DetailsA marketing team is preparing a report on campaign performan…
A marketing team is preparing a report on campaign performance for customers in California. Their dataset includes customer responses from across the country. Which of the following would be the most appropriate cleaning action to take?
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