The manager of the commercial mortgage department of a large bank has collected data during the past two years concerning the number of commercial mortgages approved per week. The results from these two years (104 weeks) are as follows:

a. Compute the expected number of mortgages approved per week.

b. Compute the standard deviation.

Transcribed Image Text:

Number of Commercial Mortgages Approved 0 Frequency 13 25 32 17 6