Six Sigma Frequency Distribution Assignment 9 The following are the weights of 3
ID: 3360312 • Letter: S
Question
Six Sigma
Frequency Distribution Assignment 9
The following are the weights of 30 steel rods:
5.96
5.51
5.59
5.68
5.51
5.60
5.68
5.78
5.64
5.68
5.64
5.67
5.54
5.72
5.50
5.89
5.60
5.68
5.89
5.55
5.89
5.53
5.50
5.60
5.53
5.59
5.50
5.53
5.67
5.68
Create a tally chart
Find the range
Determine the cell interval
Determine the cell midpoints
Determine the cell boundaries
Post the cell frequency
To make this easier the weights are coded from 5.00, therefore a weight with a value of 50 is equivalent to 5.50lb. Here is your tally chart:
Weight
Tabulation
50
3
51
2
53
3
54
1
55
1
59
2
60
3
64
2
67
2
68
5
72
1
78
1
89
3
96
1
TOTAL=30
5.96
5.51
5.59
5.68
5.51
5.60
5.68
5.78
5.64
5.68
5.64
5.67
5.54
5.72
5.50
5.89
5.60
5.68
5.89
5.55
5.89
5.53
5.50
5.60
5.53
5.59
5.50
5.53
5.67
5.68
Explanation / Answer
Range = maximum observation - minimum observation
=5.96-5.00
=0.96
interval
mid points
interval
mid points
Boundaries frequency 5.50-5.60 5.55 5.50-5.60 12 5.60-5.70 5.65 5.60-5.70 12 5.70-5.80 5.75 5.70-5.80 2 5.80-5.90 5.85 5.80-5.90 3 5.90-6.00 5.95 5.90-6.00 1