The following data represent the minimum waiting time (in seconds) for a sample of twenty customers waiting to be served by a teller of ABC bank. 9, 12, 15, 20, 21, 29, 33, 40, 45, 50, 55, 60, 63, 66, 25. Required; a. Construct a grouped frequency distribution for the data using class intervals 1-10, 11- 20, 30-40, etc. b. Using your frequency distribution, calculate the mean and standard deviation c. Using your frequency distribution, calculate the median and mode
The following data represent the minimum waiting time (in seconds) for a sample of twenty customers waiting to be served by a teller of ABC bank. 9, 12, 15, 20, 21, 29, 33, 40, 45, 50, 55, 60, 63, 66, 25. Required; a. Construct a grouped frequency distribution for the data using class intervals 1-10, 11- 20, 30-40, etc. b. Using your frequency distribution, calculate the mean and standard deviation c. Using your frequency distribution, calculate the median and mode
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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3. The following data represent the minimum waiting time (in seconds) for a sample of twenty customers waiting to be served by a teller of ABC bank. 9, 12, 15, 20, 21, 29, 33, 40, 45, 50, 55, 60, 63, 66, 25.
Required;
a. Construct a grouped frequency distribution for the data using class intervals 1-10, 11- 20, 30-40, etc.
b. Using your frequency distribution, calculate the mean and standard deviation
c. Using your frequency distribution, calculate the
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