Final answer:
The mean of the bank transactions is calculated by adding up all the amounts and dividing by the number of transactions, resulting in a mean of $15.
Step-by-step explanation:
To calculate the mean of the bank deposits and withdrawals of +$36, -$20, $18, +$45, +$27, -$16, you add all the numbers together and then divide by the number of transactions.
- Add the deposits and withdrawals: $36 + (-$20) + $18 + $45 + $27 + (-$16) = $90.
- Divide the sum by the number of transactions to find the mean: $90 / 6 = $15.
The mean bank transaction is $15.