A bank manager is interested in figuring out how many credit cards are owned by their clients
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Question:
A bank manager is interested in figuring out how many credit cards are owned by their clients (issued by any bank). They randomly select a sample of 5 customers from their database and ask them how many credit cards they own. The results are found in the following table:
| Customer | # Credit Cards |
|---|---|
| A | 1 |
| B | 3 |
| C | 1 |
| D | 2 |
| E | 1 |
Using this data, calculate the variance for number of credit cards owned.
Round your answer to one decimal place.
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