Find the mean, median and standard deviation

Reference no: EM1319822

Question1: The Citizens Banking Company is studying the number of times the ATM at an office complex is used per day. The table shows the last fifteen days use of the ATM.

83 64 84 76 84 54 75 59 70 61 63 80 84 73 68

[A] Find the mean number of times the ATM was used per day?
[B] Find the median number of days the ATM was used each day?
[C] What is the standard deviation for the sample data (round the nearest whole number)?

Question2. In problem number one above:

[A] What value sits at minus three standard deviations from the mean?
[B] What value sits at two standard deviations from the mean?

Reference no: EM1319822

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