Math Problem Statement
Question content area top
Part 1
Waiting times (in minutes) of customers in a bank where all customers enter a single waiting line and a bank where customers wait in individual lines at three different teller windows are listed below. Find the mean and median for each of the two samples, then compare the two sets of results.
Single Line
6.56.5
6.66.6
6.76.7
6.86.8
7.07.0
7.17.1
7.47.4
7.87.8
7.87.8
7.87.8 Individual Lines
4.24.2
5.35.3
6.06.0
6.26.2
6.36.3
7.87.8
7.87.8
8.58.5
9.39.3
10.110.1
Question content area bottom
Part 1
The mean waiting time for customers in a single line is
7.157.15
minutes.
Part 2
The median waiting time for customers in a single line is
7.057.05
minutes.
Part 3
The mean waiting time for customers in individual lines is
enter your response here
minutes.
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Mean
Median
Comparison of Data Sets
Formulas
Mean = (Sum of all values) / (Number of values)
Median = Middle value in an ordered data set (or average of two middle values if even number of values)
Theorems
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Suitable Grade Level
Grades 9-12