Refer to the accompanying data set and use the 30 screw lengths to construct a f
ID: 3048228 • Letter: R
Question
Refer to the accompanying data set and use the 30 screw lengths to construct a frequency distribution. Begin with a lower class limit of 3.9703.970in, and use a class width of 0.010 in. The screws were labeled as having a length of4 in.4 in. Does the frequency distribution appear to be consistent with the label? Why or why not?
DATA TABLE
3.978
4.007
4.019
4.007
3.982
3.994
4.004
3.971
4.007
4.009
4.002
3.997
3.991
3.986
3.999
4.006
4.001
3.984
3.992
3.991
3.995
4.013
4.003
4.007
3.985
3.982
4.009
3.981
4.009
3.996
Explanation / Answer
Class Interval Frequency 3.970 - 3.980 2 3.980 - 3.990 6 3.990 - 4.000 7 4.000 - 4.010 12 4.010 - 4.020 2