Calculate the variance for number of credit cards owned

Reference no: EM133411544

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.

Reference no: EM133411544

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