Posted: February 16th, 2017

1. # Use the data below and the chart provided to construct a Pareto diagram for software defects.

(12 points)

 Defect Category Count Data Import Function 8 GUI 2 Calculation Error 1 Database Modularity 6 User Error 38 CD Case Cracked 3 Installation Error 11

1.  Use Sturgis’ Rule and the information below to calculate the proper cell boundaries for constructing a histogram.

(Do not draw the histogram)

Show the Sturgis Rule Calculation (4 points)

and then fill in the chart for the Cell Boundaries (8 points)

N = 100

High Value = 111,200

Low Value = 74,800

(no values reported to the right of the decimal in the raw data)

 Lower Boundary Upper Boundary

1.      Use the following data points to answer the questions below:
 3 7 10 6 11 14 4 6 8

What is the mean? *(you must show the calculation via formula)

(3 points)

What is the median?

(1 point)

What is the mode?

(1 point)

What is the range?

(2 points)

What is the sample standard deviation? *( you must show the calculation via formula)

(5 points)

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