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The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes with the results shown in the table below Complete (a) and (b) to the right Arrivals 1 2 Frequency 17 36 45 37 25 18 & Compute the mean number of amivais per minute - 2.86 (Round to three decimal places as needed) b. Compute the standard deviation -1.915 (Round to three decimal places as needed)

The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes with the results shown in the table below Complete (a) and (b) to the right Arrivals 1 2 Frequency 17 36 45 37 25 18 & Compute the mean number of amivais per minute - 2.86 (Round to three decimal places as needed) b. Compute the standard deviation -1.915 (Round to three decimal places as needed)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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can you answer part b? ( please the answer is not 1.915 so can you solve correctly? )

K The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes with the results shown in the table below Complete (a) and (b) to the right. Arrivals 0 2 3 4 Frequency o 17 36 45 37 25 a. Compute the mean number of amivals per minute #2.86 (Round to three decimal places as needed.) b. Compute the standard deviation 0,-1.915 (Round to three decimal places as needed)
Transcribed Image Text:K The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes with the results shown in the table below Complete (a) and (b) to the right. Arrivals 0 2 3 4 Frequency o 17 36 45 37 25 a. Compute the mean number of amivals per minute #2.86 (Round to three decimal places as needed.) b. Compute the standard deviation 0,-1.915 (Round to three decimal places as needed)
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