# Question

CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecutive workdays.

(a) Use Excel or MegaStat to sort and standardize the data.

(b) Based on the Empirical Rule, are there outliers? Unusual data values?

(c) Compare the percent of observations that lie within 1 and 2 standard deviations of the mean with a CitiBank normal distribution. What is your conclusion?

(a) Use Excel or MegaStat to sort and standardize the data.

(b) Based on the Empirical Rule, are there outliers? Unusual data values?

(c) Compare the percent of observations that lie within 1 and 2 standard deviations of the mean with a CitiBank normal distribution. What is your conclusion?

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